Climate and monthly weather forecastRostellan, Ireland

Climate and monthly weather forecast

Weather in January

January, the same as December, in Rostellan, Ireland, is a frosty winter month, with an average temperature varying between 8.3°C (46.9°F) and 4.4°C (39.9°F). Temperature records mark January as the coldest month, with highs averaging 8.3°C (46.9°F) and lows at 4.4°C (39.9°F). Weather in January »

Weather in February

February, the last month of the winter in Rostellan, is also a frosty month, with an average temperature varying between 3.9°C (39°F) and 8.5°C (47.3°F). The onset of February manifests an average high-temperature of a still frosty 8.5°C (47.3°F), demonstrating a minor variation from the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is still a chilly month in Rostellan, Ireland, with an average temperature varying between 4°C (39.2°F) and 9.5°C (49.1°F). March's advent denotes a minor fluctuation in the average high-temperature to a still chilly 9.5°C (49.1°F) from February's 8.5°C (47.3°F). Weather in March »

Weather in April

April is a fresh spring month in Rostellan, Ireland, with an average temperature varying between 11.3°C (52.3°F) and 5.6°C (42.1°F). With April's arrival, Rostellan's weather records an average high-temperature of a fresh 11.3°C (52.3°F), marking little difference from March's 9.5°C (49.1°F). Weather in April »

Weather in May

May, the last month of the spring in Rostellan, is a moderate month, with temperature in the range of an average high of 13.6°C (56.5°F) and an average low of 7.5°C (45.5°F). Rostellan's average high-temperature in May sits at a mild 13.6°C (56.5°F), showing little difference from the previous month. Weather in May »

Weather in June

June, the first month of the summer in Rostellan, is an enjoyable month, with an average temperature varying between 16.2°C (61.2°F) and 10.3°C (50.5°F). June denotes a minimal variation in the average high-temperature to a comfortable 16.2°C (61.2°F) from May's 13.6°C (56.5°F). Weather in June »

Weather in July

July, like June, in Rostellan, Ireland, is another refreshing summer month, with an average temperature varying between 17.8°C (64°F) and 12.1°C (53.8°F). July is the month when Rostellan, Ireland, experiences its warmest temperatures, averaging a high of 17.8°C (64°F) and a low of 12.1°C (53.8°F). Weather in July »

Weather in August

The last month of the summer, August, is another refreshing month in Rostellan, Ireland, with temperature in the range of an average low of 11.9°C (53.4°F) and an average high of 17.6°C (63.7°F). In August, Rostellan's weather conditions record an average high-temperature of a still refreshing 17.6°C (63.7°F), demonstrating little divergence from the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is still a refreshing month in Rostellan, Ireland, with an average temperature ranging between max 15.9°C (60.6°F) and min 10.5°C (50.9°F). September brings an average high-temperature of a mild 15.9°C (60.6°F), showing a slight difference from August's 17.6°C (63.7°F). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Rostellan, Ireland, with an average temperature varying between 8.9°C (48°F) and 13.6°C (56.5°F). Rostellan marks the onset of October with an average high-temperature of a still moderate 13.6°C (56.5°F), a subtle shift from September's 15.9°C (60.6°F). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Rostellan, Ireland, with an average temperature ranging between max 10.2°C (50.4°F) and min 6.3°C (43.3°F). The arrival of November signals a subtle shift in temperature, down from a mild 13.6°C (56.5°F) in October to a fresh 10.2°C (50.4°F). Weather in November »

Weather in December

December, the first month of the winter in Rostellan, is also a frosty month, with an average temperature fluctuating between 8.8°C (47.8°F) and 5°C (41°F). Rostellan's transition from November to December introduces an average high-temperature of a chilly 8.8°C (47.8°F), marking an insignificant variation from the 10.2°C (50.4°F). Weather in December »

Frequently asked questions

January, with average temperatures reaching a high of 8.3°C (46.9°F) and a low of 4.4°C (39.9°F), is the coldest month.

In Rostellan, during the entire year, the rain falls for 198 days and collects up to 586mm (23.07") of precipitation.

January through March, November and December are months with snowfall in Rostellan.

In Rostellan, during the entire year, snow falls for 3.8 days and aggregates up to 20mm (0.79") of snow.

With an average of 4.1h of sunshine, January has the least sunshine of the year.

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

The months with the lowest humidity are February through April, with an average relative humidity of 84%.

March is the month with the least rainfall. Rain falls for 13.8 days and accumulates 33mm (1.3") of precipitation.

The month with the most snowfall is March, when snow falls for 0.9 days and typically aggregates up to 6mm (0.24") of snow.

April through October are months without snowfall.

With an average of 16h and 36min of daylight, June has the longest days of the year.

The month with the most sunshine is June, with an average of 7.4h of sunshine.

June through August, with an average maximum UV index of 4, are months with the highest UV index.

July, noted for its average high-temperature of 17.8°C (64°F) and an average low-temperature of 12.1°C (53.8°F), is considered the warmest month.

The months with the highest humidity are October and December, with an average relative humidity of 87%.

On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time starts, 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.

December is the month with the most rainfall in Rostellan. Rain falls for 16.3 days and accumulates 66mm (2.6") of precipitation.

The month with the shortest days is December, with an average of 7h and 54min of daylight.

Average temperature
Rostellan, Ireland

The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (8.3°C).

The month with the highest average low temperature is July (12.1°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).

Average pressure
Rostellan, Ireland

The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009mbar).

Average wind speed
Rostellan, Ireland

The windiest month (with the highest average wind speed) is December (23.5km/h).
The calmest months (with the lowest average wind speed) are June and July (16.1km/h).

Average humidity
Rostellan, Ireland

The months with the highest relative humidity are October and December (87%).
The months with the lowest relative humidity are February, March and April (84%).

Average rainfall
Rostellan, Ireland

The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is March (33mm).

Average rainfall days
Rostellan, Ireland

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is February (13.5 days).

Average snowfall
Rostellan, Ireland

The month with the highest snowfall is March (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days
Rostellan, Ireland

The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Rostellan, Ireland

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).

The month with the most sunshine is June (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days
Rostellan, Ireland

The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is August (5.8 days).

Average UV index
Rostellan, Ireland

The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover
Rostellan, Ireland

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 52).

Average visibility
Rostellan, Ireland

The months with the highest visibility are February and March (10km).
The months with the lowest visibility are January, April, May, June, July, August, September, October, November and December (9km).