Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
October
Weather in October
Temperature
October signifies a gentle decline in Selfoss's average high-temperature, easing from a cool 10°C (50°F) in September to a frosty 6.5°C (43.7°F). During October, nights cool slightly to an average low of 3.5°C (38.3°F).Humidity
In October, the average relative humidity is 80%.Rainfall
In Selfoss, in October, it is raining for 17.5 days, with typically 84mm (3.31") of accumulated precipitation. In Selfoss, during the entire year, the rain falls for 208.7 days and collects up to 1105mm (43.5") of precipitation.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows in Selfoss. Throughout October, in the average 1 snowfall days, it receives 3mm (0.12") of snow. Throughout the year, there are 61.9 snowfall days, and 825mm (32.48") of snow is accumulated.Daylight
The average length of the day in October is 9h and 45min.On the first day of the month, sunrise is at 07:34 and sunset at 18:52. On the last day of October, sunrise is at 09:04 and sunset at 17:10 GMT.
Sunshine
The average sunshine in October in Selfoss is 4.3h.UV index
The average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In October, the UV index of 2 transforms into the following advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is October in Selfoss?
What is the average humidity in October?
How many days does it rain in October?
When does it start to snow?
How many hours of daylight does Selfoss have in October?
When is the sunrise / sunset in October?
How long on average sun shines in October in Selfoss?
What is the UV index intensity in October?
Average temperature in October
Selfoss, Iceland
- Average high temperature in October: 6.5°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 October: 3.5°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 October
Selfoss, Iceland
- Average pressure in October: 1003.6mbar
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 October
Selfoss, Iceland
- Average wind speed in October: 21.4km/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 October
Selfoss, Iceland
- Average humidity in October: 80%
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 October
Selfoss, Iceland
- Average rainfall in October: 84mm
The wettest month (with the highest rainfall) is January (142mm).
The driest month (with the least rainfall) is June (45mm).
Average rainfall days in October
Selfoss, Iceland
- Average rainfall days in October: 17.5 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 October
Selfoss, Iceland
- Average snowfall in October: 3mm
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 October
Selfoss, Iceland
- Average snowfall days in October: 1 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 October /
Average sunshine in October
Selfoss, Iceland
- Average daylight in October: 9h and 5min
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 October: 4h and 2min
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 October
Selfoss, Iceland
- Average sunshine days in October: 11.5 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 October
Selfoss, Iceland
- Average UV index in October: 2
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 October
Selfoss, Iceland
- Average cloud cover in October: 62
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 October
Selfoss, Iceland
- Average visibility in October: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and March (8km).
