Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
The commencement of January notes an average high-temperature of a still icy 4.3°C (39.7°F), exhibiting little difference from the previous month. A modest decline from daytime high temperatures is noticed in January, marking the average low at a still wintry 1.9°C (35.4°F).Humidity
In January, the average relative humidity is 76%.Rainfall
The month with the most rainfall is January, when the rain falls for 16.7 days and typically aggregates up to 99mm (3.9") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Hafnir, Iceland, in January, during 6.8 snowfall days, 57mm (2.24") of snow is typically accumulated. In Hafnir, Iceland, during the entire year, snow falls for 33.4 days and aggregates up to 297mm (11.69") of snow.Daylight
In January, the average length of the day in Hafnir is 5h and 40min.On the first day of the month, sunrise is at 11:19 and sunset at 15:49. On the last day of January, in Hafnir, sunrise is at 10:13 and sunset at 17:14 GMT.
Sunshine
January has the least sunshine of the year in Hafnir, with an average of 2.3h of sunshine.UV index
January through May, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Hafnir. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 2 in January translates into this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Always opt for UVA and UVB-resistant sunglasses on radiant days. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
How cold does it get in Hafnir in January?
What is the average humidity in January in Hafnir?
What is the rainiest month in Hafnir?
How many days does it rain in January in Hafnir?
How many days does it snow in January in Hafnir?
How many hours of daylight does Hafnir have in January?
When is the sunrise / sunset in January in Hafnir?
What is the month with the least sunshine in Hafnir?
How many hours of sunshine does Hafnir have in January?
When is the lowest UV index in Hafnir?
How high is the UV index in January in Hafnir?
Average temperature in January
Hafnir, Iceland
- Average high temperature in January: 4.3°C
The warmest months (with the highest average high temperature) are July and August (12.2°C).
The months with the lowest average high temperature are February, March and December (4.2°C).
- Average low temperature in January: 1.9°C
The month with the highest average low temperature is July (9.9°C).
The coldest months (with the lowest average low temperature) are March and December (1.3°C).
Average pressure in January
Hafnir, Iceland
- Average pressure in January: 996.1mbar
The month with the highest atmospheric pressure is June (1013.7mbar).
The month with the lowest atmospheric pressure is January (996.1mbar).
Average wind speed in January
Hafnir, Iceland
- Average wind speed in January: 34.8km/h
The windiest month (with the highest average wind speed) is February (35km/h).
The calmest month (with the lowest average wind speed) is June (20.1km/h).
Average humidity in January
Hafnir, Iceland
- Average humidity in January: 76%
The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is December (74%).
Average rainfall in January
Hafnir, Iceland
- Average rainfall in January: 99mm
The wettest month (with the highest rainfall) is January (99mm).
The driest month (with the least rainfall) is June (35mm).
Average rainfall days in January
Hafnir, Iceland
- Average rainfall days in January: 16.7 days
The month with the highest number of rainy days is September (19.9 days).
The month with the least rainy days is June (12.5 days).
Average snowfall in January
Hafnir, Iceland
- Average snowfall in January: 57mm
The month with the highest snowfall is March (75mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Hafnir, Iceland
- Average snowfall days in January: 6.8 days
The month with the highest number of snowfall days is March (8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Hafnir, Iceland
- Average daylight in January: 5h and 4min
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 January: 2h and 2min
The month with the most sunshine is August (Average sunshine: 7h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in January
Hafnir, Iceland
- Average sunshine days in January: 7.4 days
The month with the most sunshine days is June (15 days).
The months with the least sunshine days are March and April (7.1 days).
Average UV index in January
Hafnir, Iceland
- Average UV index in January: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, April, May, October, November and December (UV index 2).
Average cloud cover in January
Hafnir, Iceland
- Average cloud cover in January: 67
The month with the most cloud cover is March (Cloud cover 69).
The months with the least cloud cover are May, July and August (Cloud cover 60).
Average visibility in January
Hafnir, Iceland
- Average visibility in January: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, March, April, May, July, September, October, November and December (9km).
Hafnir, Iceland
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