Hammond, Indiana Climate by Month
Hammond, Indiana, United States
Warm summers and freezing winters, with rain spread through the year.
The climate in Hammond is one of warm summers and freezing winters, with rain spread through the year. July is the warmest month, with highs around 85°F (29°C); January is the coolest at 33°F (0°C), and nights dip to 18°F (-8°C). It gets 39 in (1000 mm) of rain a year, spread across the months.
- Warmest month
- 85°F(29°C)
- Average high, July
- Coldest nights
- 18°F(-8°C)
- Average low, January
- Rain per year
- 39 in(1000 mm)
- No clear rainy season
- Humidity
- 74%
- Sunniest: July
Best and worst months in Hammond
Best for weatherThe most comfortable weather comes in September, with highs around 77°F (25°C) and about 3.3 in (83 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 33°F (0°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Hammond weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 33°F(0°C) | 18°F(-8°C) | 2.0 in(52 mm) | 87% | 1.4 |
| FebFebruary | 37°F(3°C) | 21°F(-6°C) | 1.7 in(42 mm) | 74% | 2.5 |
| MarMarch | 48°F(9°C) | 30°F(-1°C) | 2.4 in(62 mm) | 74% | 3.6 |
| AprApril | 61°F(16°C) | 40°F(4°C) | 4.6 in(116 mm) | 65% | 4.4 |
| MayMay | 72°F(22°C) | 49°F(10°C) | 4.6 in(116 mm) | 67% | 5.1 |
| JunJune | 81°F(27°C) | 59°F(15°C) | 4.6 in(116 mm) | 68% | 5.8 |
| JulJuly | 85°F(29°C) | 64°F(18°C) | 3.9 in(98 mm) | 69% | 5.9 |
| AugAugust | 83°F(28°C) | 63°F(17°C) | 4.0 in(102 mm) | 73% | 5.1 |
| SepSeptemberBest | 77°F(25°C) | 55°F(13°C) | 3.3 in(83 mm) | 69% | 4.3 |
| OctOctober | 65°F(18°C) | 44°F(6°C) | 3.2 in(81 mm) | 70% | 2.8 |
| NovNovember | 50°F(10°C) | 33°F(1°C) | 2.9 in(74 mm) | 79% | 1.7 |
| DecDecember | 37°F(3°C) | 23°F(-5°C) | 2.3 in(58 mm) | 88% | 1.3 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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