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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is another chilly winter month in Castletown, Ireland, with an average temperature ranging between min 1.8°C (35.2°F) and max 7°C (44.6°F). An average high-temperature of a still chilly 7°C (44.6°F) marks January, exhibiting a close resemblance to the conditions in December. Weather in January »
Weather in February
The last month of the winter, February, is another chilly month in Castletown, Ireland, with an average temperature ranging between min 1.7°C (35.1°F) and max 7.6°C (45.7°F). February's advent notes a subtle adjustment in average high-temperature to a still chilly 7.6°C (45.7°F) from January. Weather in February »
Weather in March
The first month of the spring, March, is also a frosty month in Castletown, Ireland, with temperature in the range of an average high of 9.1°C (48.4°F) and an average low of 2.2°C (36°F). The advent of March sees the average high-temperature at a still frosty 9.1°C (48.4°F), subtly shifted from February's 7.6°C (45.7°F). Weather in March »
Weather in April
April in Castletown, Ireland, is a cool spring month, with an average temperature varying between 3.6°C (38.5°F) and 11.8°C (53.2°F). A minor adjustment in Castletown's average high-temperature is noted with the start of April, touching a cool 11.8°C (53.2°F) from March's 9.1°C (48.4°F). Weather in April »
Weather in May
May, the last month of the spring in Castletown, is a moderate month, with an average temperature fluctuating between 6.2°C (43.2°F) and 14°C (57.2°F). Castletown's shift into May is marked by a subtle change to a moderate 14°C (57.2°F) from April's 11.8°C (53.2°F) in temperature. Weather in May »
Weather in June
The first month of the summer, June, is a comfortable month in Castletown, Ireland, with an average temperature ranging between min 8.8°C (47.8°F) and max 16.6°C (61.9°F). Castletown's transition from May to June introduces an average high-temperature of an enjoyable 16.6°C (61.9°F), marking an insignificant variation from the 14°C (57.2°F). Weather in June »
Weather in July
July, like June, in Castletown, Ireland, is another refreshing summer month, with an average temperature ranging between max 17.7°C (63.9°F) and min 10.3°C (50.5°F). The warmest period is July, when temperatures fluctuate between an average high of 17.7°C (63.9°F) and a low of 10.3°C (50.5°F). Weather in July »
Weather in August
The last month of the summer, August, is another comfortable month in Castletown, Ireland, with an average temperature fluctuating between 10.2°C (50.4°F) and 17.2°C (63°F). The onset of August brings with it an average high-temperature of a still refreshing 17.2°C (63°F), showing a negligible variation from the month before. Weather in August »
Weather in September
September, the first month of the autumn in Castletown, is still a refreshing month, with an average temperature fluctuating between 15.4°C (59.7°F) and 8.3°C (46.9°F). Castletown, Ireland, experiences a minor change to a moderate 15.4°C (59.7°F) in average high-temperature during September, closely reflecting August. Weather in September »
Weather in October
October, the same as September, is another fresh autumn month in Castletown, Ireland, with an average temperature varying between 6.8°C (44.2°F) and 12.7°C (54.9°F). The average high-temperature during October is a cool 12.7°C (54.9°F), almost matching the conditions of the preceding month. Weather in October »
Weather in November
November, the last month of the autumn in Castletown, is also a frosty month, with an average temperature ranging between min 4.1°C (39.4°F) and max 8.7°C (47.7°F). In Castletown, the beginning of November is marked by a marginally lowered average high-temperature, shifting from October's fresh 12.7°C (54.9°F) to a frosty 8.7°C (47.7°F). Weather in November »
Weather in December
December, the first month of the winter in Castletown, is also a frosty month, with an average temperature fluctuating between 6.9°C (44.4°F) and 2.4°C (36.3°F). Castletown's coldest weather arrives in December, when temperatures average a high of 6.9°C (44.4°F) and a low of 2.4°C (36.3°F). Weather in December »
Frequently asked questions
How much does it rain in Castletown?
In Castletown, during the entire year, the rain falls for 153.9 days and collects up to 280mm (11.02") of precipitation.
When does it snow in Castletown?
January through April, November and December are months with snowfall.
How much does it snow in Castletown?
In Castletown, during the entire year, snow falls for 9 days and aggregates up to 58mm (2.28") of snow.
What is the month with the lowest UV index in Castletown?
The months with the lowest UV index in Castletown, Ireland, are January through March, November and December, with an average maximum UV index of 2.
When does it snow the most in Castletown?
The month with the most snowfall is February, when snow falls for 2.8 days and typically aggregates up to 15mm (0.59") of snow.
What is the month with the least sunshine in Castletown?
The month with the least sunshine in Castletown is February, with an average of 3.6h of sunshine.
What is the least humid month in Castletown?
The least humid month is April, with an average relative humidity of 85%.
When it does not snow in Castletown?
May through October are months without snowfall in Castletown, Ireland.
When are the longest days in Castletown?
With an average of 16h and 48min of daylight, June has the longest days of the year in Castletown, Ireland.
What month has the most sunshine in Castletown?
With an average of 6.2h of sunshine, June has the most sunshine of the year.
What are the months with the highest UV index in Castletown?
June through August, with an average maximum UV index of 4, are months with the highest UV index in Castletown, Ireland.
What time of the year is the hottest in Castletown?
The warmest temperatures in Castletown, Ireland, occur during July, when averages reach a peak of 17.7°C (63.9°F) and a low of 10.3°C (50.5°F).
What is the driest month in Castletown?
October is the month with the least rainfall in Castletown, Ireland. Rain falls for 11.7 days and accumulates 16mm (0.63") of precipitation.
When is Daylight Saving Time (DST) in Castletown?
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.
What is the wettest month in Castletown?
The month with the most rainfall is November, when the rain falls for 12.2 days and typically aggregates up to 32mm (1.26") of precipitation.
What is the coldest time of year in Castletown?
December stands out as Castletown's coldest month, with an average high-temperature of 6.9°C (44.4°F) and a low-temperature of 2.4°C (36.3°F).
What is the most humid month in Castletown?
With an average relative humidity of 92%, December is the most humid month.
What is the month with the shortest days in Castletown?
With an average of 7h and 42min of daylight, December has the shortest days of the year in Castletown, Ireland.
Average temperature
Castletown, Ireland
The warmest month (with the highest average high temperature) is July (17.7°C).
The month with the lowest average high temperature is December (6.9°C).
The month with the highest average low temperature is July (10.3°C).
The coldest month (with the lowest average low temperature) is February (1.7°C).
Average pressure
Castletown, Ireland
- Average pressure in January:
1010.9mbar - Average pressure in February:
1010.6mbar - Average pressure in March:
1013.8mbar - Average pressure in April:
1014.6mbar - Average pressure in May:
1015.8mbar - Average pressure in June:
1015.2mbar
- Average pressure in July:
1013.8mbar - Average pressure in August:
1012.5mbar - Average pressure in September:
1015mbar - Average pressure in October:
1012.2mbar - Average pressure in November:
1007.9mbar - Average pressure in December:
1010.4mbar
The month with the highest atmospheric pressure is May (1015.8mbar).
The month with the lowest atmospheric pressure is November (1007.9mbar).
Average wind speed
Castletown, Ireland
- Average wind speed in January:
19.5km/h - Average wind speed in February:
19.4km/h - Average wind speed in March:
17.7km/h - Average wind speed in April:
15.2km/h - Average wind speed in May:
15.1km/h - Average wind speed in June:
13.2km/h
- Average wind speed in July:
13km/h - Average wind speed in August:
14km/h - Average wind speed in September:
14.5km/h - Average wind speed in October:
15.6km/h - Average wind speed in November:
17.4km/h - Average wind speed in December:
19.4km/h
The windiest month (with the highest average wind speed) is January (19.5km/h).
The calmest month (with the lowest average wind speed) is July (13km/h).
Average humidity
Castletown, Ireland
The month with the highest relative humidity is December (92%).
The month with the lowest relative humidity is April (85%).
Average rainfall
Castletown, Ireland
The wettest month (with the highest rainfall) is November (32mm).
The driest month (with the least rainfall) is October (16mm).
Average rainfall days
Castletown, Ireland
- Average rainfall days in January:
11.6 days - Average rainfall days in February:
10.6 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
12.5 days - Average rainfall days in May:
13.6 days - Average rainfall days in June:
14.4 days
- Average rainfall days in July:
16.5 days - Average rainfall days in August:
16 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
12.2 days - Average rainfall days in December:
12.3 days
The month with the highest number of rainy days is July (16.5 days).
The months with the least rainy days are February and September (10.6 days).
Average snowfall
Castletown, Ireland
The month with the highest snowfall is February (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Castletown, Ireland
- Average snowfall days in January:
2.5 days - Average snowfall days in February:
2.8 days - Average snowfall days in March:
1.7 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.2 days - Average snowfall days in December:
1.5 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Castletown, Ireland
- Average daylight in January:
8h and 1min - Average daylight in February:
9h and 5min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 0min - Average daylight in May:
15h and 5min - Average daylight in June:
16h and 5min
- Average daylight in July:
16h and 2min - Average daylight in August:
14h and 4min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 4min - Average daylight in November:
8h and 4min - Average daylight in December:
7h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
3h and 4min - Average sunshine in March:
4h and 4min - Average sunshine in April:
5h and 5min - Average sunshine in May:
5h and 4min - Average sunshine in June:
6h and 1min
- Average sunshine in July:
5h and 1min - Average sunshine in August:
5h and 1min - Average sunshine in September:
5h and 1min - Average sunshine in October:
3h and 4min - Average sunshine in November:
4h and 0min - Average sunshine in December:
3h and 5min
The month with the most sunshine is June (Average sunshine: 6h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days
Castletown, Ireland
- Average sunshine days in January:
14.7 days - Average sunshine days in February:
13.1 days - Average sunshine days in March:
14.6 days - Average sunshine days in April:
14.1 days - Average sunshine days in May:
11.9 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
11.6 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
14.3 days - Average sunshine days in November:
13.8 days - Average sunshine days in December:
15.1 days
The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is July (10.9 days).
Average UV index
Castletown, 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, March, November and December (UV index 2).
Average cloud cover
Castletown, Ireland
The month with the most cloud cover is July (Cloud cover 71).
The months with the least cloud cover are April, November and December (Cloud cover 61).
Average visibility
Castletown, Ireland
The months with the highest visibility are January, February, March and December (9km).
The months with the lowest visibility are April, May, June, July, August, September, October and November (8km).
Castletown, Ireland
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