Armstrong Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Armstrong.
Climate overview of Armstrong
Armstrong, United States of America, sees big temperature differences between seasons, with July peaking at 27°C (81°F) and December dropping to 5°C (41°F).
The city receives around 818 mm (32 in) of rain/snowfall per year. It experiences a distinct dry season from June to September. December is the wettest month and August the driest. The sunniest month is July, with 14.1 hours of sunshine per day on average.
Armstrong Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Armstrong — and find the best time to visit.
Monthly Temperature in Armstrong
Visitors to Armstrong can expect significant temperature changes throughout the year. On average, daytime temperatures range from a comfortable 27°C (81°F) in July to a chilly 5°C (41°F) in December.
Nighttime temperatures range from 7°C (45°F) in July to -7°C (19°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Armstrong
Generally, Armstrong experiences moderate precipitation patterns, averaging 818 mm (32 in) yearly. The seasons in Armstrong bring significant changes in precipitation. The wettest month, December, receives high snow/rainfall, with an average of 147 mm (5.8 in) of precipitation. This snow/rainfall is distributed across 15 snowy/rainy days.
In contrast, the driest month, August, experiences much less rainfall, totaling 10 mm (0.4 in) over 4 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Armstrong 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 Armstrong
In Armstrong, summer days are longer and more sunny, with daily sunshine hours peaking at 14.1 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 6.2 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 Armstrong by Month
The relative humidity is moderate throughout the year in Armstrong.
The city experiences its highest humidity in January, reaching 68%. In July, the humidity drops to its lowest level at 36%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Armstrong
The weather does bring rainfall during this period, between 10 mm (0.4 in) and 42 mm (1.7 in). Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
Frequently asked questions about the climate in Armstrong
What is the best time to visit Armstrong?
June, July, August and September typically offer the most optimal weather in Armstrong. In contrast, January, February, March, November and December tend to have less optimal conditions. Armstrong has a distinct dry season from June to September.
What temperatures can I expect in Armstrong?
Daytime highs range from 5°C (41°F) in December to 27°C (81°F) in July. Nighttime lows range from -7°C (19°F) to 7°C (45°F). Temperatures vary considerably through the year.
How much rain does Armstrong get?
Annual rainfall is around 818 mm (32 in). December is the wettest month with 147 mm (5.8 in), while August is the driest with 10 mm (0.4 in). In the coldest months, precipitation may fall as snow/rain.
How sunny is Armstrong?
Armstrong receives around 3,642 hours of sunshine per year. July is the sunniest month with 424 hours, while December is the cloudiest with just 187 hours. Overall, Armstrong enjoys abundant sunshine.
Armstrong 3-Day Forecast
Armstrong 3-Day Forecast
Armstrong on the map
Armstrong is highlighted — select any city to see its climate.
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