Climate and monthly weather forecastHella, Iceland

Climate and monthly weather forecast

The climate of Hella

Characterized by a Marine west coast climate, Hella in Iceland falls under the Cfc category of the Köppen climate classification. This setting experiences relatively cool summers and generally mild, however still chilly winters. An examination of the annual weather patterns, supported by the provided data, translates to an average high temperature range oscillating between 1.5°C (34.7°F) in December to 13.8°C (56.8°F) in July. Matching low temperatures indicate fluctuations from -1.9°C (28.6°F) in December to 8.9°C (48°F) in July.

An important aspect to note about Hella's climate is its considerable precipitation throughout the year. Rainfall displays a degree of variability, the highest amount of rainfall manifests in January with 142mm (5.59"), while the driest month, June, reports a substantial 45mm (1.77"). Furthermore, Hella experiences a significant number of rainy days, capping at 19.9 days in April and a low of 14.3 days in December. In fact, no month has fewer than 14 rainy days on average.

Unique weather patterns emerge from the interplay between temperature and precipitation. In the winter months, December through April, the town witnesses snowfall, reaching peak accumulations of 220mm (8.66") in March. Correspondingly, sunshine hours and UV indices also play into the understanding of the yearly weather behavior. The longest days occur in June, offering about 20.6 daylight hours, contrasted by shorter days in December with only 4.5 daylight hours.

The best time to visit Hella

Since the Köppen climate classification defines Hella's annual climate cycle with mild summers and not exceedingly cold winters, calculating the best visiting time becomes subjective to the visitor's preference. However, an overall saturation of factors leads us to recommend the period from June to August for a visit. During these months, the town boasts its highest average temperatures with daily highs ranging from 12°C (53.6°F) in June to 13.8°C (56.8°F) in July, and lows from 7.6°C (45.7°F) to 8.9°C (48°F). Correspondingly, the town experiences its longest days, with daylight extending up to 20.6 hours in June, an enticing prospect for those who wish to explore the scenic Icelandic landscapes.

The worst time to visit Hella

Notably, December and January are the most challenging months to visit Hella. During this period, visitors must contend with a combination of cold temperatures, fewer daylight hours, and increased precipitation in both rain and snow forms. Average high and low temperatures plunge to 1.5°C (34.7°F) and -1.9°C (28.6°F) respectively in December, while daylight is curbed to a mere 4.5 hours. These months also record the highest snowfall, making travel potentially hazardous.

Spring weather in Hella

Spring in Hella commences in March and continues until May. March transitions winter into spring with an average high temperature of 2.7°C (36.9°F) and a low of -0.8°C (30.6°F). With the progression of spring, by May, these figures rise to 8.5°C (47.3°F) and 4.3°C (39.7°F) respectively. Rain and snow make a gradual shift in March with 117mm (4.61") of rainfall and substantial 220mm (8.66") of snowfall. By May, snow completely ceases, leaving behind 63mm (2.48") of rainfall accompanied by 17.4 rainy days.

Summer weather in Hella

Summer stretches from June to August, with understated warmth peaking in July, where the daily average high and low temperatures range between 13.8°C (56.8°F) and 8.9°C (48°F). Noteworthy during summer months is the luxurious span of daylight, reaching up to 20.6 hours per day in July. Rainfall decreases during this period, bottoming at 45mm (1.77") in June.

Autumn weather in Hella

Autumn ushers in from September to November, bringing a shift in temperature and precipitation. Average high temperature drops consistently from 10°C (50°F) in September to 3.3°C (37.9°F) in November, while lows decrease from 6.1°C (43°F) to 0.6°C (33.1°F) in the same span. Rainfall begins to increase, from 95mm (3.74") in September to 95mm (3.74") in November, with a respective increase in rainy days to 17.8 by November.

Winter weather in Hella

Winter in Hella, spanning December through February, encompasses the coldest and shortest lit days of the year. Average high temperatures vacillate between 1.5°C (34.7°F) and 2.2°C (36°F), while the lows hover between -1.2°C (29.8°F) and -1.9°C (28.6°F). December and January mark the apogee of snowfall, with accumulations of 164mm (6.46") and 190mm (7.48") respectively. Simultaneously, these months also record the fewest daylight hours, ebbing at 4.5 hours in December.

Weather in January

January in Hella, Iceland is characterized by severely cold temperatures, facing a maximum average of 2.2°C (36°F) and a minimum average of -1.2°C (29.8°F). The inclement weather is compounded by significant snowfall, wrestling with an average of 190mm (7.48") on about 12 snowy days. Weather in January »

Weather in February

February witnesses a continuation of cold weather pattern in Hella. The temperatures remain relatively unchanged from January, with the maximum average temperature recorded at 2.2°C (36°F) and the minimum temperature hovering around -1.2°C (29.8°F). Weather in February »

Weather in March

March marks a transitioning phase in Hella's climate, with slight variations in temperatures hinting at the onset of Spring. The month experiences an average high temperature of 2.7°C (36.9°F) and an average low of -0.8°C (30.6°F). Weather in March »

Weather in April

April signifies a considerable shift in Hella's climate. Observing a considerable jump to an average maximum temperature of 5.5°C (41.9°F) and a minimum of 1.8°C (35.2°F), the city starts charting its move into the warmer half of the year. Weather in April »

Weather in May

May steers Hella further into the realm of warmth, marking the true commencement of Spring. The warming trend is signified by an increase in average temperatures, reaching a high of 8.5°C (47.3°F) and a low of 4.3°C (39.7°F). Snow becomes a rarity, only making an appearance once, indicative of the receding cold weather. Weather in May »

Weather in June

June in Hella serves as a hallmark of Icelandic summers, predominated by mild yet pleasant temperatures. A significant increase in temperatures nudges the average high to 12°C (53.6°F) and the minimum to 7.6°C (45.7°F). Snowfall tapers off completely, and Hella enjoys a dry spell. Weather in June »

Weather in July

July in Hella retains the delightful summer weather from June. Local residents and visitors savor temperatures peaking at an average high of 13.8°C (56.8°F) and descending to an average low of 8.9°C (48°F). Notably, July serves as a break from the freezing temperatures and snowy conditions that marked the beginning of the year. Weather in July »

Weather in August

August marks the culmination of Hella's brief yet beautiful summer spell. Although temperatures decline marginally with an average high of 13.1°C (55.6°F) and low of 8.2°C (46.8°F), the city continues to enjoy a respite from its icy tendencies. Weather in August »

Weather in September

September serves as a transitional month marking the onset of Autumn in Hella. A downturn in average temperatures to a high of 10°C (50°F) and a low of 6.1°C (43°F) signals a departure from the summer warmth. Snowfall remains absent, but the frequency of rainy days increases. Weather in September »

Weather in October

October in Hella sees a rapid shift towards chilly weather, retaining a sense of persisting autumn eeriness. The average high temperature rolls back to 6.5°C (43.7°F), and the low goes down to 3.5°C (38.3°F). Making a coy re-entry, snow marks its presence with a 3mm (0.12") show, forecasting the upcoming winter chill. Weather in October »

Weather in November

November brings the onset of winter in Hella, making it a month of swift transition. As temperatures drop to a high of 3.3°C (37.9°F) and a low of 0.6°C (33.1°F), the city plunges into the cold once again. The snowfall amplifies, recording average 48mm (1.89"), foreshadowing the intense winters that lay ahead. Weather in November »

Weather in December

December in Hella bids farewell to the year in the midst of classic Icelandic winter weather. The chilling temperatures average a high of 1.5°C (34.7°F) and a low of -1.9°C (28.6°F). Accompanied by substantial snowfall of 164mm (6.46"), Hella sees the advent of a snowy Christmas season. Weather in December »

Updated: Feb 10, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The months with the highest humidity are January and September, with an average relative humidity of 82%.

January is the month with the most rainfall in Hella. Rain falls for 18.6 days and accumulates 142mm (5.59") of precipitation.

In Hella, during the entire year, the rain falls for 208.7 days and collects up to 1105mm (43.5") of precipitation.

Months with snowfall in Hella are January through May, October through December.

Throughout the year, in Hella, there are 61.9 snowfall days, and 825mm (32.48") of snow is accumulated.

January has the least sunshine of the year in Hella, Iceland, with an average of 2.4h of sunshine.

March is the month with the most snowfall. Snow falls for 13.3 days and accumulates 220mm (8.66") of snow.

With an average relative humidity of 74%, May is the least humid month in Hella, Iceland.

The month with the least rainfall in Hella, Iceland, is June, when the rain falls for 15.7 days and typically collects 45mm (1.77") of precipitation.

In Hella, snow does not fall in June through September.

June has the longest days of the year in Hella, with an average of 20h and 36min of daylight.

July is the month when Hella's temperatures reach their peak, with averages of 13.8°C (56.8°F) and lows of 8.9°C (48°F).

July is the month with the highest UV index in Hella, Iceland, with an average maximum UV index of 4.

August has the most sunshine of the year in Hella, Iceland, with an average of 7.8h of sunshine.

With an average maximum UV index of 1, November is the month with the lowest UV index in Hella.

With average high temperatures of 1.5°C (34.7°F) and lows of -1.9°C (28.6°F), December is the coldest month.

December has the shortest days of the year in Hella, with an average of 4h and 30min of daylight.

Hella does not observe Daylight Saving Time (DST). GMT timezone is used over the entire year.

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Long-term

Year J F M A M J J A S O N D

Average temperature
Hella, Iceland

Average high temperature in January:
2.2°C
Average high temperature in February:
2.2°C
Average high temperature in March:
2.7°C
Average high temperature in April:
5.5°C
Average high temperature in May:
8.5°C
Average high temperature in June:
12°C

Average high temperature in July:
13.8°C
Average high temperature in August:
13.1°C
Average high temperature in September:
10°C
Average high temperature in October:
6.5°C
Average high temperature in November:
3.3°C
Average high temperature in December:
1.5°C

The warmest month (with the highest average high temperature) is July (13.8°C).
The month with the lowest average high temperature is December (1.5°C).

Average low temperature in January:
-1.2°C
Average low temperature in February:
-1.2°C
Average low temperature in March:
-0.8°C
Average low temperature in April:
1.8°C
Average low temperature in May:
4.3°C
Average low temperature in June:
7.6°C

Average low temperature in July:
8.9°C
Average low temperature in August:
8.2°C
Average low temperature in September:
6.1°C
Average low temperature in October:
3.5°C
Average low temperature in November:
0.6°C
Average low temperature in December:
-1.9°C

The month with the highest average low temperature is July (8.9°C).
The coldest month (with the lowest average low temperature) is December (-1.9°C).

Average pressure
Hella, Iceland

Average pressure in July:
1009.4mbar
Average pressure in August:
1007.6mbar
Average pressure in September:
1003mbar
Average pressure in October:
1003.6mbar
Average pressure in November:
1001.4mbar
Average pressure in December:
998.3mbar

The month with the highest atmospheric pressure is June (1013.8mbar).
The month with the lowest atmospheric pressure is January (996.8mbar).

Average wind speed
Hella, Iceland

Average wind speed in January:
24.1km/h
Average wind speed in February:
24.8km/h
Average wind speed in March:
23.5km/h
Average wind speed in April:
22.5km/h
Average wind speed in May:
19.5km/h
Average wind speed in June:
14.9km/h

Average wind speed in July:
14.7km/h
Average wind speed in August:
15.9km/h
Average wind speed in September:
19.8km/h
Average wind speed in October:
21.4km/h
Average wind speed in November:
22.1km/h
Average wind speed in December:
23.6km/h

The windiest month (with the highest average wind speed) is February (24.8km/h).
The calmest month (with the lowest average wind speed) is July (14.7km/h).

Average humidity
Hella, Iceland

The months with the highest relative humidity are January and September (82%).
The month with the lowest relative humidity is May (74%).

Average rainfall
Hella, Iceland

The wettest month (with the highest rainfall) is January (142mm).
The driest month (with the least rainfall) is June (45mm).

Average rainfall days
Hella, Iceland

Average rainfall days in January:
18.6 days
Average rainfall days in February:
14.7 days
Average rainfall days in March:
17.3 days
Average rainfall days in April:
19.9 days
Average rainfall days in May:
17.4 days
Average rainfall days in June:
15.7 days

Average rainfall days in July:
19.7 days
Average rainfall days in August:
17.1 days
Average rainfall days in September:
18.7 days
Average rainfall days in October:
17.5 days
Average rainfall days in November:
17.8 days
Average rainfall days in December:
14.3 days

The month with the highest number of rainy days is April (19.9 days).
The month with the least rainy days is December (14.3 days).

Average snowfall
Hella, Iceland

The month with the highest snowfall is March (220mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days
Hella, Iceland

Average snowfall days in January:
11.9 days
Average snowfall days in February:
11.4 days
Average snowfall days in March:
13.3 days
Average snowfall days in April:
5.1 days
Average snowfall days in May:
1.3 days
Average snowfall days in June:
0.1 days

Average snowfall days in July:
0 days
Average snowfall days in August:
0 days
Average snowfall days in September:
0 days
Average snowfall days in October:
1 days
Average snowfall days in November:
5.5 days
Average snowfall days in December:
12.3 days

The month with the highest number of snowfall days is March (13.3 days).
The months with the least snowfall days are July, August and September (0 days).

Average daylight / Average sunshine
Hella, Iceland

Average daylight in January:
5h and 42min
Average daylight in February:
8h and 36min
Average daylight in March:
11h and 48min
Average daylight in April:
15h and 6min
Average daylight in May:
18h and 24min
Average daylight in June:
20h and 36min

Average daylight in July:
19h and 24min
Average daylight in August:
16h and 12min
Average daylight in September:
13h and 0min
Average daylight in October:
9h and 48min
Average daylight in November:
6h and 36min
Average daylight in December:
4h and 30min

The month with the longest days is June (Average daylight: 20h and 36min).
The month with the shortest days is December (Average daylight: 4h and 30min).

Average sunshine in January:
2h and 24min
Average sunshine in February:
3h and 24min
Average sunshine in March:
4h and 18min
Average sunshine in April:
5h and 18min
Average sunshine in May:
7h and 36min
Average sunshine in June:
7h and 42min

Average sunshine in July:
7h and 24min
Average sunshine in August:
7h and 48min
Average sunshine in September:
4h and 36min
Average sunshine in October:
4h and 18min
Average sunshine in November:
2h and 54min
Average sunshine in December:
2h and 48min

The month with the most sunshine is August (Average sunshine: 7h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).