Jefferson County (Watertown)
July
Weather in Jefferson County, New York for July 2026
Your guide to Jefferson County weather in July - trends and predictions
Small Craft Advisory - See hour by hour.
So far, July 2026 in Jefferson County shows a warmer trend than usual by 2.3 °F.
The forecast for the next days in Jefferson County predicts temperatures to be around 26 °F, close to the historical average.
In general, the average temperature in Jefferson County at the beginning of July is 26.9 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 27.6 °F by the end of July.
Jefferson County in July brings notable rainfall, with an average of 20 rainy days and a total precipitation of 87.8 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
More
11
Dry days
20
Rainy days
0
Snow days
26°/17°
Temperatures
17 km/h
Avg max wind
75 %
Avg humidity
Jefferson County Weather July
Move between months or click on a day
Temperatures trend during July in Jefferson County
See the weather trend as well as the moving average line
July weather in Jefferson County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Partly cloudy | 27° /16° | 10.4 mm | 8 | |
| Jul. 2 |  Sunny | 26° /16° | 0 mm | 7 | |
| Jul. 3 |  Patchy rain possible | 28° /18° | 0.7 mm | 7 | |
| Jul. 4 |  Fog | 25° /16° | 2.2 mm | 7 | |
| Jul. 5 | Sunny | 28° /15° | 0.2 mm | 8 | |
| Jul. 6 | Light rain shower | 28° /19° | 1.7 mm | 8 | |
| Jul. 7 | Patchy rain possible | 26° /18° | 3 mm | 7 | |
| Jul. 8 | Sunny | 26° /16° | 0 mm | 8 | |
| Jul. 9 | Partly cloudy | 27° /16° | 1.2 mm | 8 | |
| Jul. 10 | Light rain shower | 27° /19° | 11.9 mm | 7 | |
| Jul. 11 | Light rain shower | 27° /17° | 0.9 mm | 7 | |
| Jul. 12 | Mist | 28° /16° | 1.3 mm | 7 | |
| Jul. 13 | Patchy rain possible | 28° /18° | 4.6 mm | 8 | |
| Jul. 14 | Sunny | 29° /19° | 0 mm | 8 | |
| Jul. 15 |  Patchy light rain with thunder | 29° /19° | 1.7 mm | 8 | |
| Jul. 16 | Light rain shower | 28° /18° | 6.2 mm | 8 | |
| Jul. 17 | Light rain shower | 27° /16° | 2 mm | 7 | |
| Jul. 18 | Patchy rain possible | 23° /14° | 5.9 mm | 5 | |
| Jul. 19 | Partly cloudy | 25° /12° | 0 mm | 8 | |
| Jul. 20 | Sunny | 25° /14° | 9.8 mm | 7 | |
| Jul. 21 | Sunny | 30° /18° | 22.7 mm | 2.4 | |
| Jul. 22 | Patchy rain possible | 19° /15° | 3.2 mm | 3.7 | |
| Jul. 23 | Sunny | 22° /10° | 0.2 mm | 6.9 | |
| Jul. 24 | Sunny | 25° /13° | 0 mm | 7.8 | |
| Jul. 25 | Sunny | 28° /15° | 0 mm | 7 | |
| Jul. 26 | Sunny | 28° /19° | 0.1 mm | 7 | |
| Jul. 27 | Light rain shower | 24° /18° | 20.4 mm | 5 | |
| Jul. 28 | Sunny | 25° /13° | 0 mm | 7 | |
| Jul. 29 | Sunny | 27° /12° | 0 mm | 7 | |
| Jul. 30 | Sunny | 29° /14° | 0 mm | 7 | |
| Jul. 31 | Sunny | 32° /19° | 16 mm | 8 | |
| Next | |||||
Important Notice
Our weather forecast for Jefferson County in July is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Jefferson County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Jefferson County in July - FAQ
What are the expected maximum and minimum temperatures in Jefferson County during July?
During July, expect a variety of temperatures with highs around 26° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Jefferson County during July?
Moderate rainfall is anticipated in Jefferson County during July, with a total of 87.8 mm spread over approximately 20 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Jefferson County during July?
The average wind speed in Jefferson County during July is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in Jefferson County
Explore the daily rainfall trends and prepare for Jefferson Countys July weather 💧
Typically, Jefferson County has 20 rainy days in July with a total of 87.8 mm of rainfall.
UV exposure in Jefferson County during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
Top locations in Jefferson County
Select a location for an accurate weather forecast
More Locations Quick links
More Jefferson County weather pages
You are here
Where is Jefferson County?Get accurate weather forecasts for Jefferson County, located at latitude 43.975 and longitude -75.911. Stay updated with localized weather information tailored for Jefferson County.
Found a mistake?
We appreciate your attention to details. Tell us here.