Siloam Springs (AR) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Siloam Springs.
Climate overview of Siloam Springs
Siloam Springs, Arkansas, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 32°C (90°F) in July, while winters cool to 8°C (46°F) in January.
The city has a wet climate, receiving around 1149 mm (45 in) of rain/snowfall per year. Despite the high annual total, it has very warm summers and cold winters. May is the wettest month.
Siloam Springs Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Siloam Springs - and find the best time to visit.
Monthly Temperature in Siloam Springs
Depending on the time of the year, temperatures range from very warm to chilly in Siloam Springs. On average, daytime temperatures range from a very warm 32°C (90°F) in July to a chilly 8°C (46°F) in January.
Nighttime temperatures range from 20°C (68°F) in July to -4°C (25°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Siloam Springs
Siloam Springs has a relatively rain/snowy climate with high precipitation levels, averaging 1149 mm (45 in) of rain/snowfall annually. The seasons in Siloam Springs bring significant changes in precipitation. The wettest month, May, receives high rainfall, with an average of 153 mm (6 in) of precipitation. This rainfall is distributed across 12 rainy days.
In contrast, the driest month, January, experiences much less rainfall, totaling 46 mm (1.8 in) over 6 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Siloam Springs 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 Siloam Springs
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May, September and October
- Warmest weather: July and August
- Fewest rainy days: January, February and November
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -4°C (25°F).
Frequently asked questions about the climate in Siloam Springs
What is the best time to visit Siloam Springs?
April, May, September and October typically offer the most optimal weather in Siloam Springs. In contrast, January, February and December tend to have less optimal conditions. Siloam Springs has very warm summers and cold winters.
What temperatures can I expect in Siloam Springs?
Daytime highs range from 8°C (46°F) in January to 32°C (90°F) in July. Nighttime lows range from -4°C (25°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does Siloam Springs get?
Annual rainfall is around 1149 mm (45 in). May is the wettest month with 153 mm (6 in), while January is the driest with 46 mm (1.8 in).
Siloam Springs 3-Day Forecast
Siloam Springs (AR) 3-Day Forecast
Siloam Springs on the map
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