August weather forecastCastletown, Ireland
August
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).Temperature
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. An average low-temperature of 10.2°C (50.4°F) is observed during August nights.Humidity
The average relative humidity in August is 89%.Rainfall
In Castletown, in August, during 16 rainfall days, 29mm (1.14") of precipitation is typically accumulated. Throughout the year, there are 153.9 rainfall days, and 280mm (11.02") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Castletown.Daylight
The average length of the day in August is 14h and 41min.On the first day of August, sunrise is at 5:48 am and sunset at 9:23 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 8:20 pm IST.
Sunshine
The average sunshine in August in Castletown is 5.2h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 4 in August translates into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Castletown, Ireland
- Average high temperature in August: 17.2°C
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).
- Average low temperature in August: 10.2°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 in August
Castletown, Ireland
- Average pressure in August: 1012.5mbar
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 in August
Castletown, Ireland
- Average wind speed in August: 14km/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 in August
Castletown, Ireland
- Average humidity in August: 89%
The month with the highest relative humidity is December (92%).
The month with the lowest relative humidity is April (85%).
Average rainfall in August
Castletown, Ireland
- Average rainfall in August: 29mm
The wettest month (with the highest rainfall) is November (32mm).
The driest month (with the least rainfall) is October (16mm).
Average rainfall days in August
Castletown, Ireland
- Average rainfall days in August: 16 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 in August
Castletown, Ireland
- Average snowfall in August: 0mm
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 in August
Castletown, Ireland
- Average snowfall days in August: 0 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 in August /
Average sunshine in August
Castletown, Ireland
- Average daylight in August: 14h and 42min
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 August: 5h and 12min
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 in August
Castletown, Ireland
- Average sunshine days in August: 11.6 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 in August
Castletown, Ireland
- Average UV index in August: 4
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 in August
Castletown, Ireland
- Average cloud cover in August: 70
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 in August
Castletown, Ireland
- Average visibility in August: 8km
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).
