Merriam (KS) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Merriam.
Climate overview of Merriam
Merriam, Kansas, United States of America, sees big temperature differences between seasons, with July peaking at 31°C (88°F) and January dropping to 4°C (39°F).
Rain/snowfall is high, totalling around 1105 mm (44 in) per year. May is the wettest month and January the driest. The city also experiences very warm summers and cold winters. July is the sunniest month, averaging 11.0 hours of sunshine per day.
Merriam Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Merriam - and find the best time to visit.
Monthly Temperature in Merriam
Visitors to Merriam can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very warm 31°C (88°F) in July, the warmest time of the year, to a chilly 4°C (39°F) during cooler months like January.
At night, you can expect temperatures ranging from 21°C (70°F) in July to around -7°C (19°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Merriam
Merriam is known for its substantial rain/snowfall, with annual precipitation reaching 1105 mm (44 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, May it receives high rainfall, averaging 151 mm (5.9 in) of precipitation, recorded across 14 rainy days. In contrast, the driest month January brings less snow/rainfall, with 21 mm (0.8 in) over 6 snowy/rainy days. For more details, please visit our Merriam 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 Merriam
Seasonal changes in sunshine hours are quite dramatic in Merriam. While July receives considerable daily sunshine with up to 11.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.9 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Merriam by Month
The relative humidity is high throughout the year in Merriam.
The city experiences its highest humidity in December, reaching 70%. In April, 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 Merriam
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: October
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: January, February and November
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Merriam
What is the best time to visit Merriam?
October typically offers the most optimal weather in Merriam. In contrast, January, February and December tend to have less optimal conditions. Merriam has very warm summers and cold winters.
What temperatures can I expect in Merriam?
Daytime highs range from 4°C (39°F) in January to 31°C (88°F) in July. Nighttime lows range from -7°C (19°F) to 21°C (70°F). Temperatures vary considerably through the year.
How much rain does Merriam get?
Annual rainfall is around 1105 mm (44 in). May is the wettest month with 151 mm (5.9 in), while January is the driest with 21 mm (0.8 in).
How sunny is Merriam?
Merriam receives around 2,803 hours of sunshine per year. July is the sunniest month with 330 hours, while December is the cloudiest with just 147 hours. Overall, Merriam enjoys abundant sunshine.
Merriam 3-Day Forecast
Merriam (KS) 3-Day Forecast
Merriam on the map
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