Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
August
Weather in August
Temperature
Selfoss experiences a recorded average high-temperature of a still moderate 13.1°C (55.6°F) in August, closely aligned with July's 13.8°C (56.8°F). Throughout August, a minimal difference from peak daytime temperatures is noted, marking a steady low-temperature average of 8.2°C (46.8°F).Humidity
In Selfoss, the average relative humidity in August is 79%.Rainfall
In Selfoss, during August, the rain falls for 17.1 days and regularly aggregates up to 77mm (3.03") of precipitation. Throughout the year, there are 208.7 rainfall days, and 1105mm (43.5") of precipitation is accumulated.Snowfall
In Selfoss, snow does not fall in June through September.Daylight
In Selfoss, the average length of the day in August is 16h and 16min.On the first day of the month, sunrise is at 04:35 and sunset at 22:25. On the last day of August, sunrise is at 06:06 and sunset at 20:42 GMT.
Sunshine
The month with the most sunshine is August, with an average of 7.8h of sunshine.UV index
The average daily maximum UV index in August is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during August translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Selfoss have in August?
When are sunrise and sunset in August?
What month has the most sunshine?
How many hours of sunshine does Selfoss have in August?
What is the UV index reading in August?
Average temperature in August
Selfoss, Iceland
- Average high temperature in August: 13.1°C
The warmest month (with the highest average high temperature) is July (13.8°C).
The month with the lowest average high temperature is December (1.5°C).
- Average low temperature in August: 8.2°C
The month with the highest average low temperature is July (8.9°C).
The coldest month (with the lowest average low temperature) is December (-1.9°C).
Average pressure in August
Selfoss, Iceland
- Average pressure in August: 1007.6mbar
The month with the highest atmospheric pressure is June (1013.8mbar).
The month with the lowest atmospheric pressure is January (996.8mbar).
Average wind speed in August
Selfoss, Iceland
- Average wind speed in August: 15.9km/h
The windiest month (with the highest average wind speed) is February (24.8km/h).
The calmest month (with the lowest average wind speed) is July (14.7km/h).
Average humidity in August
Selfoss, Iceland
- Average humidity in August: 79%
The months with the highest relative humidity are January and September (82%).
The month with the lowest relative humidity is May (74%).
Average rainfall in August
Selfoss, Iceland
- Average rainfall in August: 77mm
The wettest month (with the highest rainfall) is January (142mm).
The driest month (with the least rainfall) is June (45mm).
Average rainfall days in August
Selfoss, Iceland
- Average rainfall days in August: 17.1 days
The month with the highest number of rainy days is April (19.9 days).
The month with the least rainy days is December (14.3 days).
Average snowfall in August
Selfoss, Iceland
- Average snowfall in August: 0mm
The month with the highest snowfall is March (220mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in August
Selfoss, Iceland
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is March (13.3 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Selfoss, Iceland
- Average daylight in August: 16h and 2min
The month with the longest days is June (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 4h and 30min).
- Average sunshine in August: 7h and 5min
The month with the most sunshine is August (Average sunshine: 7h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in August
Selfoss, Iceland
- Average sunshine days in August: 11.6 days
The month with the most sunshine days is June (12.3 days).
The month with the least sunshine days is January (5.5 days).
Average UV index in August
Selfoss, Iceland
- Average UV index in August: 3
The month with the highest UV index is July (UV index 4).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in August
Selfoss, Iceland
- Average cloud cover in August: 59
The month with the most cloud cover is March (Cloud cover 67).
The months with the least cloud cover are May and August (Cloud cover 59).
Average visibility in August
Selfoss, Iceland
- Average visibility in August: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and March (8km).
