Ames, IA weather and climate in 2025
Day
28 °C
Night
16 °C
Sea
0 °C
Precipitation
105 mm
in month
Rainy days
11 days
in month
Daylight
14 hours
average
Sunshine
9 hours
average
Humidity
71 %
Day
28 °C
Night
16 °C
Sea
0 °C
Precipitation
105 mm
in month
Rainy days
11 days
in month
Daylight
14 hours
average
Sunshine
9 hours
average
Humidity
71 %
Overview: Ames, IA
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Weather overview
NaN °C (NaN °F)
January weather
January in Ames is the epitome of winter's chill with an average high of -2 °C (29 °F) and an average low of -12 °C (10 °F). Expect frosty mornings and the possibility of snow-clad landscapes.
February weather
February in Ames still holds the brisk winter grip, but with hints of warmth pushing the high to 1 °C (34 °F). The number of wet days slightly increases with an average of 6 days.
March weather
March sees a considerable warming trend in Ames, with the average high leaping to 8 °C (47 °F), but wet days are more frequent, averaging 8 days.
April weather
By April, Ames begins to embrace spring with open arms, enjoying an average high of 16 °C (61 °F) while rainfall increases to 88 mm (3.47 in), signaling frequent showers.
May weather
May witnesses a further rise in temperatures and daylight hours in Ames with an average high of 22 °C (72 °F). Rainfall remains significant with 113 mm (4.43 in) and the humidity begins to increase.
June weather
June in Ames is the peak of early summer with the highest rainfall of the year at 134 mm (5.28 in), and daily temperatures peaking around 27 °C (81 °F).
July weather
July sees the mercury climbing to its highest point with an average high of 29 °C (84 °F), and although rainfall decreases to 113 mm (4.46 in), humidity can be on the higher side.
August weather
August in Ames experiences similar heat to July with an average high of 28 °C (82 °F), while the humidity continues to make the warmth more pronounced.
September weather
September signals the start of fall with Ames seeing a noticeable dip in temperatures to an average high of 24 °C (76 °F) and a reduction in rainfall.
October weather
As October rolls in, Ames welcomes the heart of fall with cooler days, averaging a high of 17 °C (63 °F), and fewer rainy days at around 8 days.
November weather
November's chill is more pronounced in Ames with an average high of 8 °C (46 °F), while wind speed starts to pick up slightly, averaging 5.
December weather
December in Ames marks the onset of winter with colder average highs of 0 °C (32 °F) and an increase in relative humidity, setting the stage for potential snowfall.
FAQs
How many layers should I wear during January in Ames, IA?
In January, with daytime highs averaging -2 °C (29 °F), dressing in layers is essential. Insulated jackets, hats, gloves, and thermal wear should be part of your attire to combat the cold weather.
What's the typical temperature range in Ames during February?
In Ames, February's weather remains chilly, with an average nighttime low of -9 °C (15 °F) and a warmer daytime high reaching around 1 °C (34 °F).
What kind of weather can I expect in Ames, IA during March?
March can bring varied weather to Ames, IA, with higher chances of rain showers as the monthly precipitation averages 51 mm (2.02 in). Expect the unexpected and pack for both cool and milder days.
Is April a rainy month in Ames, IA?
Yes, April is known for rain in Ames, IA, and you can expect an increase in wet days, totaling around 10 days. A sturdy umbrella and water-resistant footwear are recommended.
How would you describe the typical May weather in Ames, IA?
May in Ames, IA features warmer weather with longer sun hours, averaging 9 hours, and temperatures conducive to outdoor pursuits despite considerable precipitation.
With June being the wettest month, how many rainy days are typical in Ames, IA?
June in Ames, IA, tends to have around 12 days of rain, the most of any month, so expect some rainy days interspersed with sunny summer weather.
Is July typically the hottest month in Ames, IA?
Indeed, July is typically the hottest month in Ames with the average high reaching 29 °C (84 °F), so it's advisable to stay hydrated and find ways to keep cool.
Can I expect sweltering heat in Ames, IA during August?
August brings continued summer heat to Ames, IA with daytime temperatures around 28 °C (82 °F), often augmented by high humidity levels.
What weather conditions are common in Ames, IA during September?
September in Ames, IA often presents a mix of summer warmth and incoming fall coolness, with high temperatures averaging 24 °C (76 °F) and rain diminishing.
What does October's climate look like in Ames, IA?
October in Ames, IA witnesses the transition towards chillier weather with a moderate average high of 17 °C (63 °F) and a decrease in precipitation to 64 mm (2.54 in).
How cold does it get in Ames, IA during November?
November in Ames, IA sees a considerable cooldown with average lows around -2 °C (28 °F) and highs of 8 °C (46 °F), signaling the approach of winter.
What are the average temperatures I can anticipate in December in Ames, IA?
With an average high just below freezing at 0 °C (32 °F) and lows dipping to -9 °C (15 °F), December in Ames ushers in wintry temperatures that call for heavy winter wear.
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