Climate and monthly weather forecastGrenivík, Iceland
Climate and monthly weather forecast
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). January's arrival shows an average high-temperature of a still subzero cold -3°C (26.6°F), hardly different from the previous month. Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Grenivík, Iceland, with temperature in the range of an average low of -8.3°C (17.1°F) and an average high of -2.8°C (27°F). Grenivík, Iceland, observes a minor difference in average high-temperatures between January's -3°C (26.6°F) and February's -2.8°C (27°F). Weather in February »Weather in March
March, the first month of the spring in Grenivík, is still a freezing cold month, with an average temperature varying between -2.1°C (28.2°F) and -7.8°C (18°F). Grenivík notes an average high-temperature of a still subzero cold -2.1°C (28.2°F) in March, hardly diverging from February. Weather in March »Weather in April
April in Grenivík, Iceland, is an icy spring month, with an average temperature varying between 0.6°C (33.1°F) and -5.3°C (22.5°F). The average high-temperature during April is an icy 0.6°C (33.1°F), almost matching the conditions of the preceding month. Weather in April »Weather in May
The last month of the spring, May, is also a wintry month in Grenivík, Iceland, with an average temperature fluctuating between -1.3°C (29.7°F) and 4.6°C (40.3°F). May's onset is marked by a subtle temperature increase, moving from 0.6°C (33.1°F) in April to a still wintry 4.6°C (40.3°F). Weather in May »Weather in June
June, the first month of the summer in Grenivík, is a chilly month, with an average temperature varying between 4.1°C (39.4°F) and 9.8°C (49.6°F). June's arrival is marked by an increase in the average high-temperature, moving from a wintry 4.6°C (40.3°F) in May to a chilly 9.8°C (49.6°F). Weather in June »Weather in July
July in Grenivík, Iceland, is a cool summer month, with an average temperature varying between 11.1°C (52°F) and 5.6°C (42.1°F). July, having an average high-temperature of 11.1°C (52°F) and an average low-temperature of 5.6°C (42.1°F), is the warmest month. Weather in July »Weather in August
August, the last month of the summer in Grenivík, is also a fresh month, with an average temperature ranging between min 4.8°C (40.6°F) and max 10°C (50°F). Grenivík starts August with an average high-temperature of a still fresh 10°C (50°F), a minor shift from July's 11.1°C (52°F). Weather in August »Weather in September
The first month of the autumn, September, is also a frosty month in Grenivík, Iceland, with temperature in the range of an average high of 6.8°C (44.2°F) and an average low of 2°C (35.6°F). The onset of September aligns with a soft reduction in the average high-temperature, gently falling from a fresh 10°C (50°F) in August to a chilly 6.8°C (44.2°F). Weather in September »Weather in October
October, like September, in Grenivík, Iceland, is another cold autumn month, with an average temperature varying between -2.1°C (28.2°F) and 1.9°C (35.4°F). A subtle change in temperatures is noted as September gives way to October, with average highs reducing from a chilly 6.8°C (44.2°F) to a wintry 1.9°C (35.4°F). Weather in October »Weather in November
November, the last month of the autumn in Grenivík, is also a subzero cold month, with an average temperature varying between -1.8°C (28.8°F) and -5.9°C (21.4°F). With November's onset, the weather reveals a slight temperature decrease, transitioning from an icy 1.9°C (35.4°F) in October to a freezing cold -1.8°C (28.8°F). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Grenivík, Iceland, with an average temperature ranging between min -9.1°C (15.6°F) and max -3.8°C (25.2°F). In Grenivík, the month of December is known for its lowest average temperatures, reaching a high of -3.8°C (25.2°F) and a low of -9.1°C (15.6°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Grenivík, Iceland
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).
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
Grenivík, Iceland
- Average pressure in January:
998.5mbar - Average pressure in February:
1000mbar - Average pressure in March:
1004.9mbar - Average pressure in April:
1010.3mbar - Average pressure in May:
1013.1mbar - Average pressure in June:
1014.3mbar
- Average pressure in July:
1010.2mbar - Average pressure in August:
1008.5mbar - Average pressure in September:
1003.5mbar - Average pressure in October:
1005.1mbar - Average pressure in November:
1003.1mbar - Average pressure in December:
999.9mbar
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
Grenivík, Iceland
- Average wind speed in January:
16.1km/h - Average wind speed in February:
15.7km/h - Average wind speed in March:
15.4km/h - Average wind speed in April:
13.4km/h - Average wind speed in May:
12.4km/h - Average wind speed in June:
10km/h
- Average wind speed in July:
9.9km/h - Average wind speed in August:
10.3km/h - Average wind speed in September:
12.9km/h - Average wind speed in October:
13.2km/h - Average wind speed in November:
15km/h - Average wind speed in December:
16.3km/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
Grenivík, Iceland
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
Grenivík, Iceland
The wettest month (with the highest rainfall) is December (115mm).
The driest month (with the least rainfall) is June (40mm).
Average rainfall days
Grenivík, Iceland
- Average rainfall days in January:
11.5 days - Average rainfall days in February:
7.9 days - Average rainfall days in March:
8.3 days - Average rainfall days in April:
11.1 days - Average rainfall days in May:
16.1 days - Average rainfall days in June:
18.5 days
- Average rainfall days in July:
22.3 days - Average rainfall days in August:
22.3 days - Average rainfall days in September:
21.9 days - Average rainfall days in October:
17.2 days - Average rainfall days in November:
11.2 days - Average rainfall days in December:
9.7 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
Grenivík, Iceland
- Average snowfall in January:
408mm - Average snowfall in February:
422mm - Average snowfall in March:
394mm - Average snowfall in April:
209mm - Average snowfall in May:
100mm - Average snowfall in June:
14mm
The month with the highest snowfall is December (511mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days
Grenivík, Iceland
- Average snowfall days in January:
17.8 days - Average snowfall days in February:
17.1 days - Average snowfall days in March:
20.9 days - Average snowfall days in April:
13.8 days - Average snowfall days in May:
6.9 days - Average snowfall days in June:
1.5 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
2.4 days - Average snowfall days in October:
9.4 days - Average snowfall days in November:
14.2 days - Average snowfall days in December:
18.7 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 / Average sunshine
Grenivík, Iceland
- Average daylight in January:
4h and 48min - Average daylight in February:
8h and 18min - Average daylight in March:
11h and 48min - Average daylight in April:
15h and 24min - Average daylight in May:
19h and 18min - Average daylight in June:
9h and 48min
- Average daylight in July:
20h and 48min - Average daylight in August:
16h and 42min - Average daylight in September:
13h and 6min - Average daylight in October:
9h and 30min - Average daylight in November:
5h and 54min - Average daylight in December:
3h and 12min
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 - Average sunshine in February:
2h and 42min - Average sunshine in March:
3h and 48min - Average sunshine in April:
5h and 12min - Average sunshine in May:
6h and 42min - Average sunshine in June:
1h and 6min
- Average sunshine in July:
4h and 48min - Average sunshine in August:
6h and 24min - Average sunshine in September:
4h and 42min - Average sunshine in October:
3h and 36min - Average sunshine in November:
2h and 30min - Average sunshine in December:
1h 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
Grenivík, Iceland
- Average sunshine days in January:
6.2 days - Average sunshine days in February:
6.5 days - Average sunshine days in March:
6 days - Average sunshine days in April:
8.7 days - Average sunshine days in May:
8.9 days - Average sunshine days in June:
7.1 days
- Average sunshine days in July:
6.7 days - Average sunshine days in August:
6.8 days - Average sunshine days in September:
5.3 days - Average sunshine days in October:
7.3 days - Average sunshine days in November:
7.2 days - Average sunshine days in December:
6 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
Grenivík, Iceland
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
Grenivík, Iceland
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
Grenivík, Iceland
The month with the highest visibility is June (9km).
The months with the lowest visibility are January, February, March, April, November and December (7km).








