January weather forecastGrenivík, Iceland
January
Weather in January
January, the same as December, in Grenivík, Iceland, is a freezing cold winter month, with an average temperature varying between -8.1°C (17.4°F) and -3°C (26.6°F).Temperature
January's arrival shows an average high-temperature of a still subzero cold -3°C (26.6°F), hardly different from the previous month. The average temperature during January nights in Grenivík is registered at a still freezing cold -8.1°C (17.4°F).Humidity
January through March and December, with an average relative humidity of 91%, are the most humid months.Rainfall
In Grenivík, in January, it is raining for 11.5 days, with typically 76mm (2.99") of accumulated precipitation. Throughout the year, in Grenivík, there are 178 rainfall days, and 899mm (35.39") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Grenivík. In Grenivík, during January, snow falls for 17.8 days and regularly aggregates up to 408mm (16.06") of snow. Throughout the year, there are 122.7 snowfall days, and 2568mm (101.1") of snow is accumulated.Daylight
The average length of the day in January in Grenivík is 4h and 46min.On the first day of January, sunrise is at 11:39 and sunset at 14:52. On the last day of the month, sunrise is at 10:12 and sunset at 16:39 GMT.
Sunshine
In Grenivík, the average sunshine in January is 2.2h.UV index
The months with the lowest UV index in Grenivík are January through March, October through December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 1 in January translates into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Grenivík, Iceland
- Average high temperature in January: -3°C
The warmest month (with the highest average high temperature) is July (11.1°C).
The month with the lowest average high temperature is December (-3.8°C).
- Average low temperature in January: -8.1°C
The month with the highest average low temperature is July (5.6°C).
The coldest month (with the lowest average low temperature) is December (-9.1°C).
Average pressure in January
Grenivík, Iceland
- Average pressure in January: 998.5mbar
The month with the highest atmospheric pressure is June (1014.3mbar).
The month with the lowest atmospheric pressure is January (998.5mbar).
Average wind speed in January
Grenivík, Iceland
- Average wind speed in January: 16.1km/h
The windiest month (with the highest average wind speed) is December (16.3km/h).
The calmest month (with the lowest average wind speed) is July (9.9km/h).
Average humidity in January
Grenivík, Iceland
- Average humidity in January: 91%
The months with the highest relative humidity are January, February, March and December (91%).
The month with the lowest relative humidity is June (77%).
Average rainfall in January
Grenivík, Iceland
- Average rainfall in January: 76mm
The wettest month (with the highest rainfall) is December (115mm).
The driest month (with the least rainfall) is June (40mm).
Average rainfall days in January
Grenivík, Iceland
- Average rainfall days in January: 11.5 days
The months with the highest number of rainy days are July and August (22.3 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in January
Grenivík, Iceland
- Average snowfall in January: 408mm
The month with the highest snowfall is December (511mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in January
Grenivík, Iceland
- Average snowfall days in January: 17.8 days
The month with the highest number of snowfall days is March (20.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Grenivík, Iceland
- Average daylight in January: 4h and 48min
The month with the longest days is July (Average daylight: 20h and 48min).
The month with the shortest days is December (Average daylight: 3h and 12min).
- Average sunshine in January: 2h and 12min
The month with the most sunshine is May (Average sunshine: 6h and 42min).
The month with the least sunshine is June (Average sunshine: 1h and 6min).
Average sunshine days in January
Grenivík, Iceland
- Average sunshine days in January: 6.2 days
The month with the most sunshine days is May (8.9 days).
The month with the least sunshine days is September (5.3 days).
Average UV index in January
Grenivík, Iceland
- Average UV index in January: 1
The months with the highest UV index are April, May, June, July, August and September (UV index 2).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in January
Grenivík, Iceland
- Average cloud cover in January: 69
The month with the most cloud cover is March (Cloud cover 72).
The month with the least cloud cover is June (Cloud cover 62).
Average visibility in January
Grenivík, Iceland
- Average visibility in January: 7km
The month with the highest visibility is June (9km).
The months with the lowest visibility are January, February, March, April, November and December (7km).





