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 sea temperature 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 high-temperature average in January for Alftanes is a still cold 1.7°C (35.1°F), staying closely aligned with December's conditions. The nighttime temperature in Alftanes, Iceland, in January experiences a minor dip, averaging a freezing cold -1.4°C (29.5°F).Humidity
The months with the highest humidity in Alftanes, Iceland, are January, February and September, with an average relative humidity of 82%.Rainfall
The month with the most rainfall is January, when the rain falls for 12.8 days and typically aggregates up to 47mm (1.85") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Alftanes, during January, snow falls for 7.4 days and regularly aggregates up to 59mm (2.32") of snow. Throughout the year, there are 41.1 snowfall days, and 309mm (12.17") of snow is accumulated.Sea temperature
In Alftanes, the average seawater temperature in January is 5.1°C (41.2°F).Note: Dipping into 5.1°C (41.2°F) below 10°C (50°F) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 13°C (55.4°F) feels cold to the bone.
Daylight
In Alftanes, the average length of the day in January is 5h and 37min.On the first day of the month, sunrise is at 11:19 and sunset at 15:43. On the last day of January, sunrise is at 10:11 and sunset at 17:10 GMT.
Sunshine
January has the least sunshine of the year in Alftanes, with an average of 2.4h of sunshine.UV index
January, February and November, with an average maximum UV index of 1, are months with the lowest UV index in Alftanes. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 1 in January translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
How cold is it in Alftanes in January?
What are the most humid months in Alftanes?
What is the average humidity in January in Alftanes?
What is the wettest month in Alftanes?
How many days does it rain in January in Alftanes?
How many days does it snow in January in Alftanes?
What is the sea water temperature in January in Alftanes?
How many hours of daylight does Alftanes have in January?
When are sunrise and sunset in January in Alftanes?
What is the month with the least sunshine in Alftanes?
How long on average sun shines in January in Alftanes?
When is the lowest UV index in Alftanes?
What is the UV index intensity in January in Alftanes?
Average temperature in January
Alftanes, Iceland
- Average high temperature in January: 1.7°C
The warmest month (with the highest average high temperature) is July (13.5°C).
The month with the lowest average high temperature is December (1.3°C).
- Average low temperature in January: -1.4°C
The month with the highest average low temperature is July (9.1°C).
The coldest month (with the lowest average low temperature) is December (-2.4°C).
Average pressure in January
Alftanes, Iceland
- Average pressure in January: 996.6mbar
The month with the highest atmospheric pressure is June (1013.8mbar).
The month with the lowest atmospheric pressure is January (996.6mbar).
Average wind speed in January
Alftanes, Iceland
- Average wind speed in January: 24.5km/h
The windiest month (with the highest average wind speed) is February (24.9km/h).
The calmest months (with the lowest average wind speed) are June and July (14.9km/h).
Average humidity in January
Alftanes, Iceland
- Average humidity in January: 82%
The months with the highest relative humidity are January, February and September (82%).
The month with the lowest relative humidity is May (75%).
Average rainfall in January
Alftanes, Iceland
- Average rainfall in January: 47mm
The wettest month (with the highest rainfall) is January (47mm).
The driest months (with the least rainfall) are June and July (25mm).
Average rainfall days in January
Alftanes, Iceland
- Average rainfall days in January: 12.8 days
The month with the highest number of rainy days is September (17.8 days).
The month with the least rainy days is December (9.7 days).
Average snowfall in January
Alftanes, Iceland
- Average snowfall in January: 59mm
The month with the highest snowfall is March (100mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Alftanes, Iceland
- Average snowfall days in January: 7.4 days
The month with the highest number of snowfall days is March (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in January
Alftanes, Iceland
- Average sea temperature in January: 5.1°C
The best months for swimming (with the highest average sea temperature) are July and August (11.3°C).
The coldest month (with the lowest average sea temperature) is March (4.3°C).
Average daylight in January /
Average sunshine in January
Alftanes, Iceland
- Average daylight in January: 5h and 4min
The month with the longest days is June (Average daylight: 20h and 48min).
The month with the shortest days is December (Average daylight: 4h and 24min).
- Average sunshine in January: 2h and 2min
The month with the most sunshine is August (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in January
Alftanes, Iceland
- Average sunshine days in January: 11.3 days
The month with the most sunshine days is December (14.1 days).
The month with the least sunshine days is September (8.8 days).
Average UV index in January
Alftanes, Iceland
- Average UV index in January: 1
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in January
Alftanes, Iceland
- Average cloud cover in January: 66
The months with the most cloud cover are March and April (Cloud cover 68).
The months with the least cloud cover are August and December (Cloud cover 60).
Average visibility in January
Alftanes, Iceland
- Average visibility in January: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
Alftanes, Iceland
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