Climate and monthly weather forecastWhittier, AK
Climate and monthly weather forecast
The climate of Whittier
The climate in Whittier, Alaska falls under the Dfc zone according to Köppen climate classification. This signifies a subarctic climate, with severe winters, no dry season, and cool summers. Positioned in Alaska, the geographical location undoubtedly plays a major role in creating this cold-bound weather pattern.Over the course of a year, the temperature fluctuates between a high of 10.8°F (-11.8°C) in January to a high of 55°F (12.8°C) in July. Lower temperatures cruise from a minimum of 10.8°F (-11.8°C) in January to a staggering low of 44.1°F (6.7°C) in July. Precipitation levels follow suit in maintaining higher patterns throughout the year, as rainfall climbs from 7.13" (181mm) in February to a peak of 12.13" (308mm) in October.
It is noteworthy the stronghold of humidity, which remains above the 80 percentile year-round, peaking at 92% in the months of March and April. Among the other significant weather-related phenomena, snowfall attracts considerable attention. The white blanket covers Whittier from a measure of 30.55" (776mm) in January, reaching its zenith at 46.38" (1178mm) in December.
The best time to visit Whittier
Visiting Whittier requires close scrutiny of weather conditions, in order to make the most of the journey. A suggested time would be between June and August. The temperatures during these months inch towards their highest, swinging from 41.4°F (5.2°C) to 55°F (12.8°C). Precipitation levels also tend to be comparatively lower, dropping down to 3.9" (99mm) in June. The levels of sunshine also increase during these months, peaking at 8 hours of daylight in June.The worst time to visit Whittier
Venturing towards Whittier from December to February might pose certain challenges in terms of weather. These months experience severe subarctic conditions, with temperatures dropping to 13.6°F (-10.2°C) in December. Snowfall can reach a high of 46.38" (1178mm) in December, making it the most snow-covered part of the year.Spring weather in Whittier
Springtime in Whittier, encompassing the months from March to May, slowly seizes the land away from the frosty grip of winter. During these months, temperatures rise from 26.4°F (-3.1°C) in March to a mild 32.5°F (0.3°C) in May, meanwhile, precipitation inches down from 7.13" (181mm) in March to 5.75" (146mm) in April.Summer weather in Whittier
The months from June to August constitute the summer season in Whittier. The mercury hits a peak of 55°F (12.8°C) in July, marking the warmest period of the year. But these temperatures are by no means extreme, fitting well within the cool-summer classification of this subarctic region. The rainfall levels downtrend to 4.88" (124mm) in July making summer months comparably drier.Autumn weather in Whittier
Autumn, extending from September to November, witnesses a departure of the relatively moderate summer temperatures. The mercury drops from a high of 44.4°F (6.9°C) in September to a cooler high of 25.5°F (-3.6°C) in November. Rainfall levels rise to a high of 12.13" (308mm) in October, lining the city in a damp fall canvas.Winter weather in Whittier
Winter in Whittier is characterised by severely cold temperatures and snow-laden landscapes. Spanning from December to February, winter sees a plunge of temperatures to a frigid 13.6°F (-10.2°C) in December. Snowfall reaches a mesmerizing high of 46.38" (1178mm) in December, transforming this Alaskan city into a winter wonderland.Weather in January
January in Whittier, Alaska brings on harsh and freezing conditions, reinforced by considerable cloud coverage and low sunshine hours that further encourage the chill. When compared to December, the initial month of the new year sees less snowfall but increased rainfall, encompassing more days with precipitation. Weather in January »Weather in February
February’s weather builds upon January’s cold canvas, but with a slight uptick in average temperatures and a reduction in the number of rainfall days. Despite higher temperatures, February outdoes January in snowfall, astonished by the accumulation of 37.76" (959mm), making the month a compelling time for winter sports and activities. Weather in February »Weather in March
Compared to its snowy predecessor, March in Whittier shifts towards mildness with warmer temperatures and less harsh weather. The month stands out with an increase in the duration of daylight. Meanwhile, a slight drop in snowfall from 37.76" (959mm) in February to 32.76" (832mm) in March signals the end of the heavy winter. Weather in March »Weather in April
April sees a considerable leap from March in regard to warmer temperatures across Whittier. This welcome warmth pairs with a decrease in snowfall, a relief for the snow-shoveling citizens. The weather dances between the final chilled breezes of winter and the first gentle brushes of spring, leading to a beautiful amalgamation of the two seasons. Weather in April »Weather in May
May in Whittier brings a significant improvement in climate conditions and visibility. As temperatures continue to escalate, the outdoor thermometer starts to display much friendlier readings than those in April. The month is characteristic of longer daylight hours, which dramatically increase to 17.4 hours from 14.7 hours in April, adding a luminous charm to the city. Weather in May »Weather in June
June introduces Whittier to early summer, with temperatures and daylight hours continuing on an upward trend since May. The long-awaited summer sunshine pokes through the clouds more frequently, affording residents bountiful daylight. Weather in June »Weather in July
July in Whittier is enveloped by intense warmer climatic conditions, with a swell in humidity and a slight drop in rain from June. As the peak of summer, July distinctly outscores June with the highest temperature of the year at 55°F (12.8°C). Weather in July »Weather in August
August continues the warmth from July, albeit with slightly lower temperatures and increased rainfall. Even as summer reaches towards its tail-end, the sun remains vigorous, retaining the essence of long days and enjoyable warmth. Weather in August »Weather in September
As the bridge between August's lingering summer and the upcoming winter, September brings noticeable change to Whittier's weather patterns. A considerable drop in sunshine hours and temperatures indicates the end of the bright and warm period. Weather in September »Weather in October
In October, Whittier starts to give in to the cold winds of winter. The temperatures drastically plummet compared to September, signifying a clear transition to a colder season. Complemented by the maximum average cloud cover of 66% in the month, the city adopts a greyer and colder look. Weather in October »Weather in November
November is the harbinger of winter in Whittier, with falling temperatures and the return of significant snowfall. The city undergoes a profound transformation as snug falls give way to hard frosts. Sunlight suffers a stark dip, plunging the city into darkness for more extended periods. Weather in November »Weather in December
December in Whittier witnesses the full force of winter, with plunging temperatures and rigorous snowfall. The month is shrouded in a cold, dark ambiance, due to a dramatic decrease in daylight hours to a mere 5.8 hours. Contrasting against the gloom, snow starts accumulating rapidly, leading to a considerable snowfall of 46.38" (1178mm) throughout the month. Weather in December »Updated: Jun 3, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Whittier experiences its lowest temperatures in January, with an average peak of 20.1°F (-6.6°C) and a low of 10.8°F (-11.8°C).
In Whittier, during the entire year, the rain falls for 199.9 days and collects up to 94.88" (2410mm) of precipitation.
January through May, September through December are months with snowfall.
Throughout the year, there are 111.4 snowfall days, and 193.66" (4919mm) of snow is accumulated.
The months with the lowest UV index are January, February, April, October through December, with an average maximum UV index of 1.
March and April, with an average relative humidity of 92%, are most humid months.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from AKST to AKDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from AKDT to AKST.
With an average relative humidity of 82%, June is the least humid month.
The month with the least rainfall is June, when the rain falls for 20.3 days and typically collects 3.9" (99mm) of precipitation.
In Whittier, snow does not fall in June through August.
June has the longest days of the year in Whittier, with an average of 19h and 0min of daylight.
With an average of 8h of sunshine, June has the most sunshine of the year in Whittier.
The months with the highest UV index in Whittier are June and July, with an average maximum UV index of 3.
July, with average temperatures reaching a high of 55°F (12.8°C) and a low of 44.1°F (6.7°C), is the warmest month in Whittier.
The month with the most rainfall is October, when the rain falls for 21.6 days and typically aggregates up to 12.13" (308mm) of precipitation.
December is the month with the most snowfall. Snow falls for 21.9 days and accumulates 46.38" (1178mm) of snow.
With an average of 5h and 48min of daylight, December has the shortest days of the year.
With an average of 2h of sunshine, December has the least sunshine of the year.
Average temperature
Whittier, AK
The warmest month (with the highest average high temperature) is July (55°F).
The month with the lowest average high temperature is January (20.1°F).
The month with the highest average low temperature is July (44.1°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure
Whittier, AK
- Average pressure in January:
29.68"Hg - Average pressure in February:
29.81"Hg - Average pressure in March:
29.75"Hg - Average pressure in April:
29.83"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.87"Hg - Average pressure in September:
29.75"Hg - Average pressure in October:
29.7"Hg - Average pressure in November:
29.65"Hg - Average pressure in December:
29.66"Hg
The month with the highest atmospheric pressure is July (29.98"Hg).
The month with the lowest atmospheric pressure is November (29.65"Hg).
Average wind speed
Whittier, AK
- Average wind speed in January:
5.9mph - Average wind speed in February:
5.8mph - Average wind speed in March:
5.3mph - Average wind speed in April:
4.7mph - Average wind speed in May:
4.4mph - Average wind speed in June:
4.2mph
- Average wind speed in July:
4.1mph - Average wind speed in August:
4.3mph - Average wind speed in September:
4.9mph - Average wind speed in October:
5.2mph - Average wind speed in November:
6.1mph - Average wind speed in December:
6mph
The windiest month (with the highest average wind speed) is November (6.1mph).
The calmest month (with the lowest average wind speed) is July (4.1mph).
Average humidity
Whittier, AK
The months with the highest relative humidity are March and April (92%).
The month with the lowest relative humidity is June (82%).
Average rainfall
Whittier, AK
- Average rainfall in January:
8.07" - Average rainfall in February:
7.13" - Average rainfall in March:
7.13" - Average rainfall in April:
5.75" - Average rainfall in May:
6.5" - Average rainfall in June:
3.9"
- Average rainfall in July:
4.88" - Average rainfall in August:
7.95" - Average rainfall in September:
9.84" - Average rainfall in October:
12.13" - Average rainfall in November:
9.53" - Average rainfall in December:
12.09"
The wettest month (with the highest rainfall) is October (12.13").
The driest month (with the least rainfall) is June (3.9").
Average rainfall days
Whittier, AK
- Average rainfall days in January:
12.1 days - Average rainfall days in February:
7.7 days - Average rainfall days in March:
10.2 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
20.2 days - Average rainfall days in June:
20.3 days
- Average rainfall days in July:
21.3 days - Average rainfall days in August:
23.8 days - Average rainfall days in September:
22.3 days - Average rainfall days in October:
21.6 days - Average rainfall days in November:
13.6 days - Average rainfall days in December:
11.1 days
The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is February (7.7 days).
Average snowfall
Whittier, AK
- Average snowfall in January:
30.55" - Average snowfall in February:
37.76" - Average snowfall in March:
32.76" - Average snowfall in April:
22.6" - Average snowfall in May:
3.43" - Average snowfall in June:
0"
The month with the highest snowfall is December (46.38").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Whittier, AK
- Average snowfall days in January:
17.8 days - Average snowfall days in February:
18 days - Average snowfall days in March:
19.1 days - Average snowfall days in April:
14.3 days - Average snowfall days in May:
2.5 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:
0.3 days - Average snowfall days in October:
3.9 days - Average snowfall days in November:
13.6 days - Average snowfall days in December:
21.9 days
The month with the highest number of snowfall days is December (21.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Whittier, AK
- Average daylight in January:
6h and 42min - Average daylight in February:
9h and 6min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 42min - Average daylight in May:
17h and 24min - Average daylight in June:
19h and 0min
- Average daylight in July:
18h and 12min - Average daylight in August:
15h and 36min - Average daylight in September:
12h and 48min - Average daylight in October:
10h and 0min - Average daylight in November:
7h and 24min - Average daylight in December:
5h and 48min
The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in January:
2h and 30min - Average sunshine in February:
3h and 30min - Average sunshine in March:
4h and 48min - Average sunshine in April:
5h and 12min - Average sunshine in May:
7h and 6min - Average sunshine in June:
8h
- Average sunshine in July:
7h and 24min - Average sunshine in August:
5h and 48min - Average sunshine in September:
4h and 30min - Average sunshine in October:
3h and 24min - Average sunshine in November:
3h - Average sunshine in December:
2h
The month with the most sunshine is June (Average sunshine: 8h).
The month with the least sunshine is December (Average sunshine: 2h).
Average sunshine days
Whittier, AK
- Average sunshine days in January:
9.3 days - Average sunshine days in February:
8.2 days - Average sunshine days in March:
8.6 days - Average sunshine days in April:
5.6 days - Average sunshine days in May:
8.4 days - Average sunshine days in June:
7.7 days
- Average sunshine days in July:
7.2 days - Average sunshine days in August:
6 days - Average sunshine days in September:
5.8 days - Average sunshine days in October:
6.8 days - Average sunshine days in November:
8.7 days - Average sunshine days in December:
5.7 days
The month with the most sunshine days is January (9.3 days).
The month with the least sunshine days is April (5.6 days).
Average UV index
Whittier, AK
The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, April, October, November and December (UV index 1).
Average cloud cover
Whittier, AK
The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are March and June (Cloud cover 60).
Average visibility
Whittier, AK
The months with the highest visibility are May, June and July (5mi).
The months with the lowest visibility are January, February, March, April, August, September, October, November and December (4mi).
