Climate and monthly weather forecastHellnar, Iceland
Climate and monthly weather forecast
Weather in January
January, like December, in Hellnar, Iceland, is an icy winter month, with temperature in the range of an average low of 1.4°C (34.5°F) and an average high of 3.8°C (38.8°F). Hellnar's average high-temperature in January is on par with the preceding month. Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Hellnar, Iceland, with an average temperature fluctuating between 1.1°C (34°F) and 3.6°C (38.5°F). Entering February, Hellnar's average high-temperature reads a still cold 3.6°C (38.5°F), indicating a close resemblance to the previous month's climate. Weather in February »Weather in March
March, the first month of the spring in Hellnar, is also a wintry month, with an average temperature varying between 3.3°C (37.9°F) and 0.8°C (33.4°F). March stands out as Hellnar's coldest month, with an average high-temperature of 3.3°C (37.9°F) and a low-temperature of 0.8°C (33.4°F). Weather in March »Weather in April
April, the same as March, is another cold spring month in Hellnar, Iceland, with an average temperature ranging between max 4.5°C (40.1°F) and min 2.3°C (36.1°F). Hellnar's shift from March to April is accompanied by an average high-temperature of a still wintry 4.5°C (40.1°F), a slight deviation from 3.3°C (37.9°F). Weather in April »Weather in May
May, the last month of the spring in Hellnar, is a frosty month, with an average temperature fluctuating between 6.8°C (44.2°F) and 4.3°C (39.7°F). The onset of May notes an average high-temperature of a frosty 6.8°C (44.2°F), subtly shifted from April's 4.5°C (40.1°F). Weather in May »Weather in June
June, the first month of the summer in Hellnar, is still a chilly month, with an average temperature ranging between max 9.4°C (48.9°F) and min 7.3°C (45.1°F). The weather during June records an average high-temperature of a still frosty 9.4°C (48.9°F), closely mirroring the preceding month. Weather in June »Weather in July
July in Hellnar, Iceland, is a fresh summer month, with an average temperature varying between 11.2°C (52.2°F) and 9.3°C (48.7°F). Upon the beginning of July, Hellnar's high-temperatures register at a fresh 11.2°C (52.2°F), closely mirroring the preceding month. Weather in July »Weather in August
The last month of the summer, August, is also a fresh month in Hellnar, Iceland, with an average temperature varying between 11.3°C (52.3°F) and 9.3°C (48.7°F). Hellnar's temperature records reveal August as the warmest month, marked by average highs of 11.3°C (52.3°F) and lows of 9.3°C (48.7°F). Weather in August »Weather in September
September, the first month of the autumn in Hellnar, is still a chilly month, with temperature in the range of an average low of 7.8°C (46°F) and an average high of 9.5°C (49.1°F). As Hellnar welcomes September, the average high-temperature stabilizes at a chilly 9.5°C (49.1°F), showing little deviation from August's 11.3°C (52.3°F). Weather in September »Weather in October
October, like September, is another chilly autumn month in Hellnar, Iceland, with an average temperature ranging between min 5.3°C (41.5°F) and max 6.8°C (44.2°F). Hellnar's average high-temperature in October is a still frosty 6.8°C (44.2°F), marking an insignificant difference from the 9.5°C (49.1°F) of September. Weather in October »Weather in November
November, the last month of the autumn in Hellnar, is also a wintry month, with temperature in the range of an average high of 5.2°C (41.4°F) and an average low of 3°C (37.4°F). The commencement of November brings an average high-temperature of an icy 5.2°C (41.4°F), marking an inconsequential divergence from October. Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Hellnar, Iceland, with temperature in the range of an average low of 1.6°C (34.9°F) and an average high of 3.8°C (38.8°F). The arrival of December records an average high-temperature of a still wintry 3.8°C (38.8°F), closely related to the 5.2°C (41.4°F) observed in November. Weather in December »Updated: Feb 10, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The month with the most rainfall in Hellnar, Iceland, is January, when the rain falls for 15.5 days and typically aggregates up to 96mm (3.78") of precipitation.
In Hellnar, Iceland, during the entire year, the rain falls for 184.8 days and collects up to 827mm (32.56") of precipitation.
Months with snowfall in Hellnar, Iceland, are January through May, September through December.
In Hellnar, Iceland, during the entire year, snow falls for 46.9 days and aggregates up to 421mm (16.57") of snow.
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Hellnar, Iceland.
March is the coldest month in Hellnar, Iceland, with the temperature often reaching an average high of 3.3°C (37.9°F) and an average low of 0.8°C (33.4°F).
The months with the lowest humidity in Hellnar are March and December, with an average relative humidity of 75%.
March is the month with the most snowfall. Snow falls for 9.8 days and accumulates 99mm (3.9") of snow.
The months with the highest humidity in Hellnar are June and July, with an average relative humidity of 82%.
The month with the least rainfall in Hellnar is June, when the rain falls for 13.4 days and typically collects 37mm (1.46") of precipitation.
June through August are months without snowfall in Hellnar.
The month with the longest days is June, with an average of 21h and 24min of daylight.
With an average of 0.9h of sunshine, June has the least sunshine of the year in Hellnar.
July is the month with the highest UV index in Hellnar, with an average maximum UV index of 4.
Hellnar, Iceland, registers the average highest temperatures during August, with peaks of 11.3°C (52.3°F) and lows of 9.3°C (48.7°F).
August has the most sunshine of the year in Hellnar, Iceland, with an average of 7.8h of sunshine.
December has the shortest days of the year, with an average of 4h and 0min of daylight.
Hellnar, Iceland, does not observe Daylight Saving Time (DST). GMT timezone is used throughout the entire year.
Average temperature
Hellnar, Iceland
The warmest month (with the highest average high temperature) is August (11.3°C).
The month with the lowest average high temperature is March (3.3°C).
The months with the highest average low temperature are July and August (9.3°C).
The coldest month (with the lowest average low temperature) is March (0.8°C).
Average pressure
Hellnar, Iceland
- Average pressure in January:
996.1mbar - Average pressure in February:
997.5mbar - Average pressure in March:
1003.1mbar - Average pressure in April:
1008.6mbar - Average pressure in May:
1012.2mbar - Average pressure in June:
1014.1mbar
- Average pressure in July:
1010.2mbar - Average pressure in August:
1008.3mbar - Average pressure in September:
1002.6mbar - Average pressure in October:
1003.7mbar - Average pressure in November:
1001.7mbar - Average pressure in December:
998.4mbar
The month with the highest atmospheric pressure is June (1014.1mbar).
The month with the lowest atmospheric pressure is January (996.1mbar).
Average wind speed
Hellnar, Iceland
- Average wind speed in January:
35.7km/h - Average wind speed in February:
36.4km/h - Average wind speed in March:
33.8km/h - Average wind speed in April:
29.3km/h - Average wind speed in May:
24.7km/h - Average wind speed in June:
19.4km/h
- Average wind speed in July:
20.2km/h - Average wind speed in August:
21.7km/h - Average wind speed in September:
26.8km/h - Average wind speed in October:
30.8km/h - Average wind speed in November:
33.2km/h - Average wind speed in December:
36.3km/h
The windiest month (with the highest average wind speed) is February (36.4km/h).
The calmest month (with the lowest average wind speed) is June (19.4km/h).
Average humidity
Hellnar, Iceland
The months with the highest relative humidity are June and July (82%).
The months with the lowest relative humidity are March and December (75%).
Average rainfall
Hellnar, Iceland
The wettest month (with the highest rainfall) is January (96mm).
The driest month (with the least rainfall) is June (37mm).
Average rainfall days
Hellnar, Iceland
- Average rainfall days in January:
15.5 days - Average rainfall days in February:
12.2 days - Average rainfall days in March:
13.6 days - Average rainfall days in April:
16.6 days - Average rainfall days in May:
15.7 days - Average rainfall days in June:
13.4 days
- Average rainfall days in July:
14.5 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
19.9 days - Average rainfall days in October:
19.5 days - Average rainfall days in November:
16.6 days - Average rainfall days in December:
12.5 days
The month with the highest number of rainy days is September (19.9 days).
The month with the least rainy days is February (12.2 days).
Average snowfall
Hellnar, Iceland
The month with the highest snowfall is March (99mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days
Hellnar, Iceland
- Average snowfall days in January:
9.4 days - Average snowfall days in February:
7.2 days - Average snowfall days in March:
9.8 days - Average snowfall days in April:
5.5 days - Average snowfall days in May:
1.6 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.2 days - Average snowfall days in October:
2 days - Average snowfall days in November:
4.4 days - Average snowfall days in December:
6.8 days
The month with the highest number of snowfall days is March (9.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Hellnar, Iceland
- Average daylight in January:
5h and 18min - Average daylight in February:
8h and 30min - Average daylight in March:
11h and 48min - Average daylight in April:
15h and 12min - Average daylight in May:
18h and 42min - Average daylight in June:
21h and 24min
- Average daylight in July:
19h and 54min - Average daylight in August:
16h and 24min - Average daylight in September:
13h and 0min - Average daylight in October:
9h and 42min - Average daylight in November:
6h and 18min - Average daylight in December:
4h and 0min
The month with the longest days is June (Average daylight: 21h and 24min).
The month with the shortest days is December (Average daylight: 4h and 0min).
- Average sunshine in January:
2h and 6min - Average sunshine in February:
2h and 48min - Average sunshine in March:
3h and 54min - Average sunshine in April:
5h and 18min - Average sunshine in May:
7h and 18min - Average sunshine in June:
0h and 54min
- Average sunshine in July:
5h and 30min - Average sunshine in August:
7h and 48min - Average sunshine in September:
4h and 36min - Average sunshine in October:
3h and 42min - Average sunshine in November:
2h and 12min - Average sunshine in December:
2h and 36min
The month with the most sunshine is August (Average sunshine: 7h and 48min).
The month with the least sunshine is June (Average sunshine: 0h and 54min).
Average sunshine days
Hellnar, Iceland
- Average sunshine days in January:
4.7 days - Average sunshine days in February:
5.8 days - Average sunshine days in March:
5.8 days - Average sunshine days in April:
7.6 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
14.1 days
- Average sunshine days in July:
14.2 days - Average sunshine days in August:
13.9 days - Average sunshine days in September:
8.5 days - Average sunshine days in October:
7.5 days - Average sunshine days in November:
7.5 days - Average sunshine days in December:
7.5 days
The month with the most sunshine days is July (14.2 days).
The month with the least sunshine days is January (4.7 days).
Average UV index
Hellnar, Iceland
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover
Hellnar, Iceland
The month with the most cloud cover is March (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 56).
Average visibility
Hellnar, Iceland
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March and December (8km).
