Hammond (IN) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Hammond.
Climate overview of Hammond
Hammond, Indiana, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 29°C (84°F) in July, while winters cool to 0°C (32°F) in January.
The city has a wet climate, receiving around 1068 mm (42 in) of rain/snowfall per year. Despite the high annual total, it has warm summers and very cold winters. August is the wettest month. July is the sunniest month, averaging 10.6 hours of sunshine per day.
Hammond Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hammond - and find the best time to visit.
Monthly Temperature in Hammond
Depending on the time of the year, temperatures range from comfortable to very cold in Hammond. On average, daytime temperatures range from a comfortable 29°C (84°F) in July to a very cold 0°C (32°F) in January.
Nighttime temperatures range from 19°C (66°F) in July to -8°C (18°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Hammond
Hammond has a relatively rain/snowy climate with high precipitation levels, averaging 1068 mm (42 in) of rain/snowfall annually. The seasons in Hammond bring significant changes in precipitation. The wettest month, August, receives high rainfall, with an average of 120 mm (4.7 in) of precipitation. This rainfall is distributed across 11 rainy days.
In contrast, the driest month, November, experiences much less rainfall, totaling 55 mm (2.2 in) over 9 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Hammond 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 Hammond
In Hammond, summer days are longer and more sunny, with daily sunshine hours peaking at 10.6 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.6 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Hammond by Month
The relative humidity is high throughout the year in Hammond.
The city experiences its highest humidity in December, reaching 76%. In May, the humidity drops to its lowest level at 64%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Hammond
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August and September
- Warmest weather: July and August
- Most sunshine: June and July
- Seasonal pattern: warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -8°C (18°F).
Frequently asked questions about the climate in Hammond
What is the best time to visit Hammond?
May, June, July, August and September typically offer the most optimal weather in Hammond. In contrast, January, February, March, November and December tend to have less optimal conditions. Hammond has warm summers and very cold winters.
What temperatures can I expect in Hammond?
Daytime highs range from 0°C (32°F) in January to 29°C (84°F) in July. Nighttime lows range from -8°C (18°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Hammond get?
Annual rainfall is around 1068 mm (42 in). August is the wettest month with 120 mm (4.7 in), while November is the driest with 55 mm (2.2 in).
How sunny is Hammond?
Hammond receives around 2,509 hours of sunshine per year. July is the sunniest month with 319 hours, while December is the cloudiest with just 107 hours. Overall, Hammond enjoys abundant sunshine.
Hammond 3-Day Forecast
Hammond (IN) 3-Day Forecast
Hammond on the map
Hammond is highlighted - select any city to see its climate.
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