Spencer (IA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Spencer.
Climate overview of Spencer
Spencer, Iowa, United States of America, sees big temperature differences between seasons, with July peaking at 29°C (84°F) and January dropping to -4°C (25°F).
With around 812 mm (32 in) of annual rain/snowfall, the city has moderate precipitation levels. June is the wettest month and January the driest. It also has a distinct dry season from November to February, with warm summers and very cold winters.
Spencer Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Spencer - and find the best time to visit.
Monthly Temperature in Spencer
Visitors to Spencer can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a comfortable 29°C (84°F) in July to a very cold -4°C (25°F) in the coolest month, January.
Nights vary from 17°C (63°F) in July to around -14°C (7°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Spencer
Generally, Spencer experiences moderate precipitation patterns, averaging 812 mm (32 in) yearly. The climate in Spencer shows significant variation throughout the year. Expect high rainfall in June, the wettest month, with an average of 129 mm (5.1 in) of precipitation over 12 rainy days.
In contrast, the driest month January offers drier and sunnier days, with around 16 mm (0.6 in) of snowfall over 6 snowy days. For more details, please visit our Spencer Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Spencer
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and September
- Warmest weather: July
- Fewest rainy days: January, February and November
- Wettest months: April, May, June, July, August and September, when rainfall is highest.
- Seasonal pattern: A distinct dry season from November to February, with warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -14°C (7°F).
Frequently asked questions about the climate in Spencer
What is the best time to visit Spencer?
July and September typically offer the most optimal weather in Spencer. In contrast, January, February, March and December tend to have less optimal conditions. Spencer has a distinct dry season from November to February, with warm summers and very cold winters.
What temperatures can I expect in Spencer?
Daytime highs range from -4°C (25°F) in January to 29°C (84°F) in July. Nighttime lows range from -14°C (7°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Spencer get?
Annual rainfall is around 812 mm (32 in). June is the wettest month with 129 mm (5.1 in), while January is the driest with 16 mm (0.6 in).
Spencer 3-Day Forecast
Spencer (IA) 3-Day Forecast
Spencer on the map
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