Nampa (ID) Weather and Climate: A Comprehensive Guide
Nampa experiences great temperature shifts.
The city's weather can transition from very warm days
to cold weather.
It typically sees modest rain/snowfall throughout the year.
Now, let’s explore all the climate details to give you a full picture.
Average maximum day and minimum night temperature
The climate in Nampa is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 34°C in July to a chilly 3°C in the coolest month, January.
Nights are cooler, with lows often dropping to around -5°C during the colder months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Nampa maintains relatively dry conditions year-round, recording average annual precipitation of 262 mm. The climate in Nampa shows significant variation throughout the year. Expect moderate snow/rainfall in December, with an average of 40 mm of precipitation over 12 snowy/rainy days. In contrast, August offers drier and sunnier days, with around 5.4 mm of rainfall over 2 rainy days. For more details, please visit our Nampa Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
For those who appreciate different seasons, Nampa serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 13.3 hours of sunshine daily, and embrace the darker days in December, offering only 3.4 hours of daily sunlight. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is moderate throughout the year in Nampa.
The city experiences its highest humidity in January, reaching 75%. In July, the humidity drops to its lowest level at 36%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
broken clouds and no rain broken clouds and rain broken clouds and no rainForecast for Nampa (ID)
2 m/s
7 m/s
2 m/s
The best time of year to visit Nampa in the United States of America
Other facts from our historical weather data:The hottest season / summer takes place in June, July, August and September.
Yes, the months of June, July, August and September are very dry.
July has an average maximum temperature of 34°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 3°C.
December tops the wettest month list with 40 mm of rainfall.
August is the driest month with 5 mm of precipitation.
July is the sunniest month with an average of 399 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
