Palmer (AK) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Palmer.
Climate overview of Palmer
Palmer, Alaska, United States of America, sees big temperature differences between seasons, with July peaking at 17°C (63°F) and January dropping to -8°C (18°F).
The city has a wet climate, receiving around 1065 mm (42 in) of rain/snowfall per year. Despite the high annual total, it has mild summers and very cold winters. September is the wettest month. Sunshine peaks in May, when the city sees around 9.6 hours of sunshine per day.
Palmer Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Palmer - and find the best time to visit.
Monthly Temperature in Palmer
Visitors to Palmer can expect significant temperature changes throughout the year. On average, daytime temperatures range from a moderate 17°C (63°F) in July to a very cold -8°C (18°F) in January.
Nighttime temperatures range from 9°C (48°F) in July to -16°C (3°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Palmer
Palmer is known for its substantial rain/snowfall, with annual precipitation reaching 1065 mm (42 in). The seasons in Palmer bring significant changes in precipitation. The wettest month, September, receives high rainfall, with an average of 143 mm (5.6 in) of precipitation. This rainfall is distributed across 14 rainy days.
In contrast, the driest month, April, experiences much less snow/rainfall, totaling 47 mm (1.9 in) over 7 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Palmer Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Palmer
In Palmer, summer days are longer and more sunny, with daily sunshine hours peaking at 9.6 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.8 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Palmer by Month
The relative humidity is high throughout the year in Palmer.
The city experiences its highest humidity in November, reaching 77%. In May, the humidity drops to its lowest level at 62%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Palmer
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June
- Warmest weather: July and August
- Most sunshine: May
- Fewer rainy days: January, February, March, April and May
- Seasonal pattern: Mild summers and very cold winters
- Coldest conditions: January, with freezing nights around -16°C (3°F).
Frequently asked questions about the climate in Palmer
What is the best time to visit Palmer?
June typically offers the most optimal weather in Palmer. In contrast, January, February, March, April, September, October, November and December tend to have less optimal conditions. Palmer has mild summers and very cold winters.
What temperatures can I expect in Palmer?
Daytime highs range from -8°C (18°F) in January to 17°C (63°F) in July. Nighttime lows range from -16°C (3°F) to 9°C (48°F). Temperatures vary considerably through the year.
How much rain does Palmer get?
Annual rainfall is around 1065 mm (42 in). September is the wettest month with 143 mm (5.6 in), while April is the driest with 47 mm (1.9 in).
How sunny is Palmer?
Palmer receives around 2,069 hours of sunshine per year. May is the sunniest month with 289 hours, while December is the cloudiest with just 55 hours. Overall, Palmer enjoys abundant sunshine.
Palmer 3-Day Forecast
Palmer on the map
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