Climate and monthly weather forecastKasaan, AK
Climate and monthly weather forecast
The climate of Kasaan
Kasaan, Alaska lies within the Cfb category of the Köppen climate classification, which corresponds to the marine west coast, warm summer climate type. This specific climatological zone typically signifies moderate temperatures and ample precipitation year-round.While examining the climate tidings for Kasaan, it becomes clear that the town experiences a gentle swing between temperature highs of 59.7°F (15.4°C) in July and August, to lows of 33.3°F (0.7°C) in February. Humidity parameters fluctuate subtly, attaining the highest levels of 87% in August and dipping to a standstill at 80% in March.
Changes in the volume of precipitation prove to be more visible. An annual pattern sees monthly rainfall in Kasaan ranging from 9.29" (236mm) in November to 2.91" (74mm) in May. Similarly, snowfall is very dependent on the time of the year - no snow is recorded from June to October, while January and February lead the snow charts with 10.59 and 10.75" (273mm) respectively.
The daylight exposure also follows a predictable cycle - a daylight high of 17.4 hours in June gradually diminishes to a minimum of 7.2 hours by December. The town's average wind speed gently oscillates between 10.4mph (16.7km/h) in January and 6.3mph (10.1km/h) in July and August.
The best time to visit Kasaan
When it comes to the optimal time for a visit to Kasaan, it appears to fall between May and August. The mid-year period promises the most comfortable temperatures, diving from a high of 52.3°F (11.3°C) in May to a comfortable 59.7°F (15.4°C) in August. Concurrently, the town revels in the highest sunshine hours, scaling at 7.3 hours in May. Rainfall, however, picks up during these months, although it is the lowest of the year in May at 2.91" (74mm).The worst time to visit Kasaan
On the other end of the spectrum, the months between November and January can prove challenging to visitors. With snowfall values soaring to near 10.75" (273mm) and temperatures sliding to their annual minimums, outdoor activities can be severely limited. Furthermore, the town sees the shortest daylight hours during these months, with a marginal 7.2 hours on offer in December.Spring weather in Kasaan
Spring in Kasaan, spanning from March to May, witnesses a gradual and steady climb in temperatures, rising from 41.2°F (5.1°C) to a comforting 52.3°F (11.3°C) by the end of May. Concurrently, the daylight hours increase siginificantly, reaching 16.3 hours by May end. Rainfall, however, escalates during this period, although it remains below the annual averages.Summer weather in Kasaan
June through August marks the summer season in Kasaan. Welcoming the highest temperatures of the year, Kasaan summer averages 59.4°F (15.2°C) in June and reaches a peak of 59.7°F (15.4°C) in August. Notably, daylight hours in this period touch the highest annual mark, with 17.4 hours registered in June.Autumn weather in Kasaan
Autumn ushers in a cooling effect in Kasaan as the town transitions from summer to winter. The span of September to November is marked by a notable plunge in temperatures from a balmy 55.6°F (13.1°C) to 42.4°F (5.8°C). Despite this, the town retains a decent amount of daylight, clocking an average of 8.3 hours in November.Winter weather in Kasaan
From December through February, Kasaan grapples with the freezing winter conditions. Temperatures drop down to 33.3°F (0.7°C) in February, while heavy blankets of snow envelop the town, recording high values of 10.75" (273mm) in February. Daylight hours also take a hit, descending to the annual minimum of 7.2 hours in December. Despite the harsh conditions, the winter holds a distinct charm for those willing to brave the cold.Weather in January
January in Kasaan, Alaska, proves chilly with its temperature highs hitting 38.3°F (3.5°C) and dipping to lows of 34.5°F (1.4°C). The first month of the year experiences a primarily cloudy atmosphere, which contributes to a higher probability of rain and snow showers. Weather in January »Weather in February
February's weather in Kasaan carries over the chill from January, albeit with a slight drop in temperatures. These wintry conditions are coupled with mildly reduced cloud coverage, giving a brighter although colder sense to the city. Weather in February »Weather in March
Despite a minor rise in temperature to 41.2°F (5.1°C) high and 35.1°F (1.7°C) low, March predominantly exhibits winter conditions in Kasaan, Alaska. The city experiences fewer cloudy days and increased sunlight exposure. This added sunlight does not significantly affect temperatures due to the continued presence of cold fronts. Weather in March »Weather in April
April in Kasaan is the transitional phase from winter to spring with temperature highs climbing to 45.5°F (7.5°C). There's a noticeable shift in the weather conditions with diminishing snowfall. The outlook brightens with extended daylight hours, promoting increased outdoor activity. Weather in April »Weather in May
May brings a breath of fresh spring air to Kasaan, with high temperatures soaring to 52.3°F (11.3°C). The weather conditions improve with increased daylight, while snowfall virtually vanishes. The city witnesses sprouting greenery, hinting at the arrival of summer. Weather in May »Weather in June
June showcases the onset of summer in Kasaan with the mercury rising to a comfortable 55.8°F (13.2°C) during afternoons. Weather conditions lean towards the drier side, with the raining season tapering off. However, the relief from snowfall extends through June, keeping the city weather comfortable and sunny. Weather in June »Weather in July
July signifies a full-fledged summer for Kasaan, Alaska. The city basks under the sun as high temperatures soar to 59.4°F (15.2°C). The considerable reduction in rainfall events during this month contributes to comfortable, dry, and sunny weather conditions. Weather in July »Weather in August
The month of August maintains summer-like conditions in Kasaan, with daily high temperatures peaking at 59.7°F (15.4°C). There persists an increase in rainfall reaching 6.97" (177mm), bringing frequent light showers. However, these rain events do not significantly impact the overall pleasant weather and outdoor activities. Weather in August »Weather in September
September marks the descent of temperature highs to 55.6°F (13.1°C), indicating the onset of Fall in Kasaan. Despite a drop in temperatures, the City remains vibrant against the backdrop of unique Fall foliage. The weather conditions see an uptick in rainfall at 7.24" (184mm), marking the arrival of the wet season. Weather in September »Weather in October
October welcomes more noticeable autumnal conditions in Kasaan, with temperatures gradually dropping to 49.1°F (9.5°C). The city experiences an increased rainfall volume, contributing to the chilly, damp conditions typical of the fall season. Weather in October »Weather in November
November in Kasaan, Alaska, experiences a sharp drop in temperatures with highs reaching only 42.4°F (5.8°C). This time is marked by the first signs of the approaching winter, with rainfall gradually turning into snowfall. The onset of snowfall reaches 4.72" (120mm), adding an element of winter charm to the city. Weather in November »Weather in December
December brings the full effect of winter in Kasaan, with more frequent snowfall and an average high temperature of 38.1°F (3.4°C). The city transforms into a winter wonderland, making it a great time for winter sports and activities. Weather in December »Updated: Jul 7, 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
In Kasaan, during the entire year, the rain falls for 219.6 days and collects up to 79.29" (2014mm) of precipitation.
Months with snowfall in Kasaan are January through May, November and December.
Throughout the year, there are 45.8 snowfall days, and 47.48" (1206mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 2.8h of sunshine.
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
March is the least humid month, with an average relative humidity of 80%.
March is the month with the most snowfall. Snow falls for 10.8 days and accumulates 10.94" (278mm) of snow.
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.
May is the month with the least rainfall. Rain falls for 15.8 days and accumulates 2.91" (74mm) of precipitation.
The month with the most sunshine is May, with an average of 7.3h of sunshine.
In Kasaan, Alaska, snow does not fall in June through October.
The month with the longest days is June, with an average of 17h and 24min of daylight.
July and August, with an average maximum UV index of 4, are months with the highest UV index.
August, with its high-temperature average of 59.7°F (15.4°C) and a low-temperature average of 54°F (12.2°C), is the warmest month.
August is the most humid month, with an average relative humidity of 87%.
The month with the most rainfall is November, when the rain falls for 21.2 days and typically aggregates up to 9.29" (236mm) of precipitation.
Kasaan experiences its lowest temperatures in December, with an average peak of 38.1°F (3.4°C) and a low of 34°F (1.1°C).
With an average of 7h and 12min of daylight, December has the shortest days of the year.
Average temperature
Kasaan, AK
The warmest month (with the highest average high temperature) is August (59.7°F).
The month with the lowest average high temperature is December (38.1°F).
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is February (33.3°F).
Average pressure
Kasaan, AK
- Average pressure in January:
29.84"Hg - Average pressure in February:
29.93"Hg - Average pressure in March:
29.84"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
30"Hg
- Average pressure in July:
30.06"Hg - Average pressure in August:
30"Hg - Average pressure in September:
29.93"Hg - Average pressure in October:
29.87"Hg - Average pressure in November:
29.79"Hg - Average pressure in December:
29.87"Hg
The month with the highest atmospheric pressure is July (30.06"Hg).
The month with the lowest atmospheric pressure is November (29.79"Hg).
Average wind speed
Kasaan, AK
- Average wind speed in January:
10.4mph - Average wind speed in February:
9.3mph - Average wind speed in March:
8.9mph - Average wind speed in April:
8.4mph - Average wind speed in May:
6.5mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.4mph - Average wind speed in September:
7.3mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity
Kasaan, AK
The month with the highest relative humidity is August (87%).
The month with the lowest relative humidity is March (80%).
Average rainfall
Kasaan, AK
- Average rainfall in January:
9.17" - Average rainfall in February:
5.55" - Average rainfall in March:
5.91" - Average rainfall in April:
5.98" - Average rainfall in May:
2.91" - Average rainfall in June:
4.02"
- Average rainfall in July:
4.33" - Average rainfall in August:
6.97" - Average rainfall in September:
7.24" - Average rainfall in October:
8.9" - Average rainfall in November:
9.29" - Average rainfall in December:
9.02"
The wettest month (with the highest rainfall) is November (9.29").
The driest month (with the least rainfall) is May (2.91").
Average rainfall days
Kasaan, AK
- Average rainfall days in January:
18.8 days - Average rainfall days in February:
13.8 days - Average rainfall days in March:
15.6 days - Average rainfall days in April:
19.8 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
18.3 days
- Average rainfall days in July:
18.5 days - Average rainfall days in August:
18.7 days - Average rainfall days in September:
20.2 days - Average rainfall days in October:
21.4 days - Average rainfall days in November:
21.2 days - Average rainfall days in December:
17.5 days
The month with the highest number of rainy days is October (21.4 days).
The month with the least rainy days is February (13.8 days).
Average snowfall
Kasaan, AK
- Average snowfall in January:
10.59" - Average snowfall in February:
10.75" - Average snowfall in March:
10.94" - Average snowfall in April:
1.54" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is March (10.94").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Kasaan, AK
- Average snowfall days in January:
8.1 days - Average snowfall days in February:
8.8 days - Average snowfall days in March:
10.8 days - Average snowfall days in April:
3.3 days - Average snowfall days in May:
0.2 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 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
5 days - Average snowfall days in December:
9.5 days
The month with the highest number of snowfall days is March (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Kasaan, AK
- Average daylight in January:
7h and 48min - Average daylight in February:
9h and 42min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 12min - Average daylight in May:
16h and 18min - Average daylight in June:
17h and 24min
- Average daylight in July:
16h and 48min - Average daylight in August:
14h and 54min - Average daylight in September:
12h and 42min - Average daylight in October:
10h and 24min - Average daylight in November:
8h and 18min - Average daylight in December:
7h and 12min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in January:
2h and 48min - Average sunshine in February:
3h and 54min - Average sunshine in March:
4h and 42min - Average sunshine in April:
6h and 18min - Average sunshine in May:
7h and 18min - Average sunshine in June:
6h and 30min
- Average sunshine in July:
6h and 54min - Average sunshine in August:
7h and 6min - Average sunshine in September:
6h and 30min - Average sunshine in October:
4h and 12min - Average sunshine in November:
3h and 12min - Average sunshine in December:
3h and 24min
The month with the most sunshine is May (Average sunshine: 7h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days
Kasaan, AK
- Average sunshine days in January:
7.1 days - Average sunshine days in February:
10.3 days - Average sunshine days in March:
8 days - Average sunshine days in April:
7.9 days - Average sunshine days in May:
13.6 days - Average sunshine days in June:
10.6 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
10.7 days - Average sunshine days in September:
9.1 days - Average sunshine days in October:
8.8 days - Average sunshine days in November:
5.8 days - Average sunshine days in December:
8.6 days
The month with the most sunshine days is May (13.6 days).
The month with the least sunshine days is November (5.8 days).
Average UV index
Kasaan, AK
The months with the highest UV index are July and August (UV index 4).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Kasaan, AK
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are May and September (Cloud cover 54).
Average visibility
Kasaan, AK
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
