Watertown, New York Climate by Month
Watertown, New York, United States
Warm summers and freezing winters, with rain spread through the year.
The climate in Watertown is one of warm summers and freezing winters, with rain spread through the year. Expect highs of 79°F (26°C) in July and 29°F (-2°C) in January, with the coldest nights (January) near 11°F (-11°C). About 43 in (1085 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 79°F(26°C)
- Average high, July
- Coldest nights
- 11°F(-11°C)
- Average low, January
- Rain per year
- 43 in(1085 mm)
- No clear rainy season
- Humidity
- 74%
- Sunniest: June
Best and worst months in Watertown
Best for weatherJune is the best time for weather in Watertown: highs near 74°F (24°C) and about 3.5 in (90 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 29°F (-2°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 June.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Watertown weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 29°F(-2°C) | 11°F(-11°C) | 3.5 in(90 mm) | 81% | 1.4 |
| FebFebruary | 31°F(-1°C) | 12°F(-11°C) | 2.7 in(68 mm) | 77% | 2.2 |
| MarMarch | 40°F(5°C) | 22°F(-5°C) | 2.8 in(72 mm) | 68% | 3.3 |
| AprApril | 53°F(12°C) | 35°F(1°C) | 3.5 in(89 mm) | 61% | 4.3 |
| MayMay | 66°F(19°C) | 46°F(8°C) | 3.5 in(88 mm) | 65% | 5.3 |
| JunJuneBest | 74°F(24°C) | 55°F(13°C) | 3.5 in(90 mm) | 72% | 5.7 |
| JulJuly | 79°F(26°C) | 60°F(16°C) | 3.5 in(88 mm) | 73% | 5.6 |
| AugAugust | 78°F(26°C) | 59°F(15°C) | 3.7 in(94 mm) | 76% | 5.0 |
| SepSeptember | 71°F(22°C) | 51°F(11°C) | 3.6 in(92 mm) | 76% | 4.0 |
| OctOctober | 58°F(15°C) | 40°F(5°C) | 4.4 in(113 mm) | 76% | 2.3 |
| NovNovember | 46°F(8°C) | 30°F(-1°C) | 4.1 in(105 mm) | 77% | 1.4 |
| DecDecember | 34°F(1°C) | 19°F(-7°C) | 3.8 in(96 mm) | 81% | 1.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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