Comino & Blue Lagoon weather: wind, sea conditions and planning your visit

The photograph is only the opening view

Comino has a very persuasive photograph: blue water, pale rock and the suggestion that the weather has already made all the important decisions. The actual day contains more questions. There is the crossing, the time spent outside on the island and the return. Each can be affected differently by the same forecast.

Weather.mt’s Comino archive gives a useful background to that planning. It contains warmer and cooler months, relatively quiet wind periods and stronger spells, rather than one permanent version of the island. The numerical examples below describe the Comino forecast point, not air temperatures borrowed from Mosta and relabelled beside a lagoon.

The Blue Lagoon is a major attraction for day visitors, but the weather questions extend beyond the view itself. A day that suits a sheltered stop may still require a different assessment for the open-water journey. Start by treating those parts as related but separate, and the forecast becomes considerably more useful.

Official Blue Lagoon visitor information

Three checks before a Blue Lagoon visit

Use the current forecast for the date you will travel. The archive examples later in this story describe saved model forecasts from earlier dates; they cannot decide today’s crossing or supply a long-term climate average.

Keep the land forecast, regional sea forecast and current operator information together. They answer different parts of the same outing.

Comino weather today and the seven-day forecast

Comino weather hour by hour

Three-day Malta marine forecast

A season of changing temperature levels

The available Comino points in March 2025 averaged 16.2°C, rising to 17.0°C in April, 20.7°C in May and 25.8°C in June. July’s complete series averaged 27.8°C, before August averaged 27.0°C and September 26.2°C.

The table keeps the day counts visible because coverage is not identical in every month. It also separates the mean from the average daily high. That distinction matters: a monthly mean includes cooler hours as well as the warmer afternoon, while a day visitor may be interested in a particular part of the daily curve.

These 2025 examples give the year a clear seasonal shape without pretending to be long-term climate normals. They are most useful when they help you ask a more precise question about the actual date: how warm will the exposed part of the day be, what will the wind do and what conditions are expected for the crossing?

July’s hottest hour was not an all-day condition

The Comino series reached 37.0°C on July 25, 2025, its highest hourly value in that month. The average daily high across July was much lower, at 30.8°C. A short hotter peak and a warm background are both part of the story, and they should not be merged into one description of every July afternoon.

For a day outdoors, examine the hours you actually expect to spend on the island. Allow for shade, breaks and the parts of the route that are exposed. Confirm what facilities and shelter will be available rather than assuming that a place that looks idyllic in a photograph has arranged a comfortable retreat exactly where your itinerary needs one.

The cooler hours are also worth reading. June and July have different daily profiles, and an early start in one part of the season need not feel like an early start later on. The archive helps explain the range; the current forecast provides the temperatures relevant to the particular visit. Comino has never promised to keep the photograph at room temperature.

August and September show why the year matters

At the same Comino point, August’s mean was 28.6°C in 2024 and 27.0°C in 2025, a reduction of about 1.6°C. September then moved in the opposite direction, from 25.8°C in 2024 to 26.2°C in 2025. A cooler August did not guarantee a cooler September.

The average daily high in September was 27.8°C in 2024 and 28.3°C in 2025. Those figures retain a warm daytime background while the rain and wind stories differ between years. They are a more useful historical comparison than treating the words “late summer” as a complete weather report.

For someone deciding when to visit, the finding is about the range of possible transitions. Different years can move from summer towards autumn at different rates. Use a monthly archive to understand those examples, then look at the actual forecast close to departure. A booking date cannot negotiate a fixed seasonal temperature on the island’s behalf.

Small-island exposure makes direction worth reading

The June 2025 Comino series had an average hourly wind speed of 3.6 m/s and no dates reaching Beaufort force 6. July’s average was 5.5 m/s, with six dates reaching force 6 or above. The warmer part of the year did not have one unchanging wind profile.

March provides a different seasonal example: its available Comino days averaged 8.0 m/s, with sixteen reaching at least force 6. A milder air temperature in spring therefore needs to be read alongside the wind. The coast and the crossing are not obliged to share the atmosphere of a sheltered lunch stop.

Wind direction describes where the wind comes from. Relating that direction to the actual shore can help explain shelter and exposure, but it is not a universal rule declaring a named bay suitable. Read the current sea forecast and local advice as well. The best wind for a photograph is not necessarily the relevant question for the journey home.

Our simplified beach dataset gives the Blue Lagoon a west-north-west-facing exposure. A north-westerly Majjistral therefore should not be described as automatically sheltered there. This is an orientation comparison, not a measurement at the swimming area; coastline details and incoming waves still matter.

Wind directions, coastal map and worked examples

Current wind-shelter estimates

The crossing and the island are two different parts of the day

Check the hours around departure, the likely time ashore and the return. If wind or waves change later, the final leg may deserve more attention than the moment you leave. An outward journey that looks appealing should not be used as a substitute for examining the whole schedule.

Use the operator’s current service and route information. Also check the current visitor arrangements before travelling, since those are separate from the weather and can change. This article does not freeze a timetable, landing plan or visitor requirement into a permanent promise.

The same approach applies to the forecast map. A Comino land point describes its location’s air forecast, while regional sea data answers another part of the question. Read the labels and times rather than assuming that a wind reading beside an island name represents every stretch of the crossing. It is useful to keep both views open, even when one has the more attractive colour scheme.

Current Blue Lagoon visitor requirements and questions

A dry summer background can change in September

The complete Comino rain series contained 0.0 mm in July 2025 and 0.8 mm in August. September’s full series contained 50.7 mm. That is a substantial change between the saved monthly groups, although the rain still arrived on particular dates rather than as a permanent seasonal backdrop.

The September value also differs from the 43.0 mm Mosta series for the same year. That is why the place name belongs beside the figure. Malta and its smaller islands do not need to receive identical forecast rain amounts simply because they appear together on a holiday itinerary.

For a future Comino day, check the timing and the surrounding wind and sea conditions. A monthly rain total cannot tell you which hours on your date will be affected. Keep the plan flexible enough to respond to the actual forecast, and do not assume that a dry-looking summer example has issued an exemption for every September outing.

Warm air and inviting water are separate readings

The air-temperature figures in this article are not sea-temperature figures. A warm afternoon on the island does not establish the temperature at the water surface or describe the waves at an entry point. Those fields belong in the marine forecast and deserve to be read separately.

Likewise, the colour of the water is not a swimming-conditions scale. Follow the local advice and flags in place, and assess the actual conditions for the activity. A sheltered-looking view should not encourage assumptions about exposed water or the state of a landing somewhere else.

For a fuller seasonal picture, use the sea-temperature story alongside the monthly air articles. It follows available regional marine snapshots and explains why water can warm and cool on a different timetable. Keeping the two stories separate is useful: it allows a genuinely warm Comino day to remain a warm day without asking it to answer every question about the surrounding sea.

A better Comino plan starts with three forecasts in mind

First, examine the departure and crossing hours. Next, look at the temperature, wind and exposure during the time on the island. Finally, inspect the later return conditions and any current operator update. They are three parts of one outing, but they need not have the same weather emphasis.

The archive adds context by showing how the season and individual years varied. It can supply a 37-degree July hour, a cooler August mean or a warmer September comparison. What it cannot do is decide the conditions of a future booking from those past examples alone.

That leaves a simple practical principle: keep the beautiful view in the plan, and give the rest of the day equal attention. Comino’s appeal does not depend on pretending it is permanently windless or identically warm. Read the actual dates and hours, allow some flexibility and let the forecast help organise the visit. The photograph can then return to doing what it does best.