Climate and monthly weather forecast
Belmullet, Ireland


The climate of Belmullet

Belmullet, a scenic town tucked away in Ireland, experiences a moderate marine west coast climate, classified under the Köppen zone Cfb. Blessed with warm summers and relatively mild winters, its weather displays moderate variability throughout the year. Temperature fluctuations from 3.7°C (38.7°F) to 17.8°C (64°F) couple with the relative humidity range spanning 73.3% to 84.3%, painting a vivid picture of a balanced harmony between moisture content and thermal readings.

Rainfall is a common theme in Belmullet, averaging between 70mm (2.76") in May to a high of 146mm (5.75") in October. Precipitation days stay relatively steady, ranging from 17 to 23 days per month. Snowfall is a sporadic affair, with December and January welcoming the most, amounting to 4.5 and 4.2 days, respectively.

The length of daylight shows noticeable transitions throughout the year. From the modest 8 hours during winter months, it accelerates to 16.6 hours to 17.1 hours during June and July. Sunshine hours follow a similar pattern, peaking at 6.1 hours in May, just before cooling off to 1.2 hours by the end of the year in December.

The best time to visit Belmullet

Visitors seeking to explore Belmullet to its fullest, should consider the summer months extending from May to July. This period presents the highest temperatures of the year, with averages ranging from 14.6°C (58.3°F) to 17.8°C (64°F). The lowest relative humidity of around 73.3% in May further enhances the outdoor exploration experience. Moreover, these months enjoy the maximum daylight, between 16 hours to 17.1 hours, allowing for prolonged daylight activities.

The worst time to visit Belmullet

Exploring Belmullet in October might prove challenging due to the heaviest rainfall of the year averaging at 146mm (5.75") spread across 23 days. Winter, too, presents its fair share of challenges. The limited daylight, averaging 7.4 hours in December complemented with low sunshine hours of 1.2, could make exploration less appealing. Moreover, temperatures fall to a cool average of 3.7°C (38.7°F) in January, accompanied by an increased likelihood of snowfall, primarily in December and January.

Spring weather in Belmullet

Spring in Belmullet is a season of transition, with weather conditions evolving and temperatures steadily climbing from 3.7°C (38.7°F) in January to reach 5.8°C (42.4°F) by April. Rainfall, too, undergoes a reduction moving from 134mm (5.28") in January to 72mm (2.83") by April. The number of daylight hours progressively extends from 8 hours in January to 14.1 hours by April, making it a delightful time for outdoor activities.

Summer weather in Belmullet

Summer in Belmullet offers a delicate mix of moderate temperature and rainfall. Temperature averages scale from 14.6°C (58.3°F) in May to a high of 17.8°C (64°F) in August. The rainfall remains steady, ranging between 70mm (2.76") and 79mm (3.11") from May to July. This period boasts the longest daylight hours touching 16.6 hours to 17.1 hours, along with the highest sunshine hours that peak at 6.1 hours in May.

Autumn weather in Belmullet

Belmullet's autumn months are marked with escalating rainfall. While September experiences 102mm (4.02"), it increases to 146mm (5.75") in October. Concurrently, the temperature begins to drop, sliding from 16.5°C (61.7°F) in September to 8.4°C (47.1°F) by November. The transition from summer isn't abrupt, though, with the dwindling daylight reducing from 12.7 hours in September to 10.5 hours in November.

Winter weather in Belmullet

Winter in Belmullet witnesses a cooling pattern with the lowest temperatures of the year. December starts mildly with 9.2°C (48.6°F) but gradually descends to reach 3.7°C (38.7°F) in January. Rainfall persists during this period, ranging from 134mm (5.28") in December to 137mm (5.39") in January. Additionally, the daylight hours shrink drastically, shrinking to 7.4 hours in December. Despite these challenges, the winter charm of Belmullet can still be enjoyable for those who consider cooler temperatures a respite.

Weather in January

Belmullet braves the biting cold of January with temperatures falling as low as 3.7°C (38.7°F). The first month of the year witnesses fewer daylight hours, making it one of the darker months. The relatively high humidity enhances the perception of cold. Weather in January »

Weather in February

Compared to January, February in Belmullet experiences a marginal increase in both high and low temperatures. Despite this, the change is hardly perceptible and the city stays ensconced in the winter chill. The relative humidity slightly drops from the previous month, making the air dryer. Weather in February »

Weather in March

In March, temperatures begin to climb, signaling the onset of spring in Belmullet. Daylight hours also see a significant rise, substantially increasing the duration of sunshine. Relative humidity continues to descend, attributable to the steadily increasing temperatures. Weather in March »

Weather in April

April is a time of transition in Belmullet with the highest recorded temperature at 12.2°C (54°F). The city leaves behind the vestiges of winter and embraces the warmth of spring. Sunshine hours increase due to extended daylight hours, enlivening the city and its inhabitants. Weather in April »

Weather in May

May is the month when Belmullet truly revels in the spring season, with rising temperatures and sufficient sunshine. Daylight hours peak at this time of the year, resulting in the longest days. The increased sunshine promotes outdoor activities and wildlife flourishes in these conditions. Weather in May »

Weather in June

June sees a noticeable climb in high temperatures, indicating the summer days in Belmullet have arrived. Prolonged sunshine hours are the norm in June, all thanks to the extended daylight hours. Surprisingly, rather than dipping, the relative humidity begins to rise, suggesting a humid summer. Weather in June »

Weather in July

Experiencing the highest temperatures from 17.6°C (63.7°F) to 12.2°C (54°F), July brings the height of summer to Belmullet. The increase in warmth, however, is coupled with a surge in relative humidity, making the summer moist. Weather in July »

Weather in August

Despite the turn of the month, Belmullet's weather in August hardly changes from July. It continues to manifest characteristic summer conditions, complete with warm temperatures, extended daylight, and high humidity. Rainfall remains higher than in the spring months, with consistent rainy days. Weather in August »

Weather in September

September brings a moderate fall in temperature in Belmullet, marking the arrival of autumn. The slight cooling comes with an incremental decrease in daylight hours and a slight drop in average high temperature. Humidity remains relatively high, despite the temperature decline. Weather in September »

Weather in October

October ushers in a pronounced cooling trend in Belmullet, with the temperatures recording a noticeable dip. Days become substantially shorter as daylight hours drecrease, leading to less sunshine time. Relative humidity rises, a common observation during the transition to colder months. Weather in October »

Weather in November

The definite arrival of winter is marked in Belmullet in November, following the trend of decreasing temperatures. Daylight hours substantially reduce, resulting in shorter days and less sunshine. Relative humidity sees a boost, making the cold more perceptible. Weather in November »

Weather in December

The winter deepens in Belmullet in December, with temperatures hitting the year's low point. The number of daylight hours bottom out, making the days shortest in the year. Snowfall days reach their maximum, and the city finds itself blanketed in snow frequently. Weather in December »

Frequently asked questions

What part of the year is the coldest in Belmullet?

January is the coldest month in Belmullet, Ireland, exhibiting average temperatures of 8.9°C (48°F) at the peak and 3.7°C (38.7°F) at the base.

How many days does it rain in Belmullet?

In Belmullet, Ireland, during the entire year, the rain falls for 246 days and collects up to 1245mm (49.02") of precipitation.

When does it snow in Belmullet?

January through May, November and December are months with snowfall in Belmullet, Ireland.

When does it snow the most in Belmullet?

January has the most snowfall days of the year in Belmullet. Snow falls for 4.5 days.

How many days does it snow in Belmullet?

Throughout the year, in Belmullet, Ireland, there are 17.2 snowfall days.

What is the least humid month in Belmullet?

May is the least humid month, with an average relative humidity of 73.3%.

What is the driest month in Belmullet?

The month with the least rainfall in Belmullet is May, when the rain falls for 17 days and typically collects 70mm (2.76") of precipitation.

What month has the most sunshine in Belmullet?

With an average of 6.1h of sunshine, May has the most sunshine of the year in Belmullet, Ireland.

When it does not snow in Belmullet?

In Belmullet, Ireland, snow does not fall in June through October.

When are the longest days in Belmullet?

With an average of 17h and 6min of daylight, June has the longest days of the year.

What is the warmest month in Belmullet?

In Belmullet, August records the average highest temperatures, peaking at 17.8°C (64°F) and reaching a low of 12.2°C (54°F).

What is the wettest month in Belmullet?

The month with the most rainfall is October, when the rain falls for 23 days and typically aggregates up to 146mm (5.75") of precipitation.

When is Daylight Saving Time (DST) in Belmullet?

On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time starts in Belmullet, Ireland, and the time zone changes from IST to GMT. Daylight Saving Time ends on Sunday, 30. March 2025, at 1:00 am, and the time zone reverts from GMT to IST.

What is the most humid month in Belmullet?

With an average relative humidity of 84.3%, December is the most humid month in Belmullet.

What is the month with the shortest days in Belmullet?

The month with the shortest days is December, with an average of 7h and 24min of daylight.

What is the month with the least sunshine in Belmullet?

December has the least sunshine of the year, with an average of 1.2h of sunshine.

Average temperature
Belmullet, Ireland

Average temperature - Belmullet, Ireland

The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is January (8.9°C).

The months with the highest average low temperature are July and August (12.2°C).
The coldest month (with the lowest average low temperature) is February (3.6°C).


Average humidity
Belmullet, Ireland

Average humidity - Belmullet, Ireland

The month with the highest relative humidity is December (84.3%).
The month with the lowest relative humidity is May (73.3%).


Average rainfall
Belmullet, Ireland

Average rainfall - Belmullet, Ireland

The wettest month (with the highest rainfall) is October (145.9mm).
The driest month (with the least rainfall) is May (70.4mm).


Average rainfall days
Belmullet, Ireland

Average rainfall days - Belmullet, Ireland

The months with the highest number of rainy days are January, October, November and December (23 days).
The months with the least rainy days are May and June (17 days).


Average snowfall days
Belmullet, Ireland

Average snowfall days - Belmullet, Ireland

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).


Average daylight / Average sunshine
Belmullet, Ireland

Average daylight / Average sunshine - Belmullet, Ireland

The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).

The month with the most sunshine is May (Average sunshine: 6h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 12min).


Belmullet, Ireland

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