San Jose, IL weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in San Jose now
Loading the National Weather Service forecast…
San Jose weather by the hour
San Jose weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of San Jose.
This week in San Jose
Sunrise, sunset and moon in San Jose
What is the weather usually like in San Jose?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 85°F average high
- Januarycoldest month · 16°F average low
- 39.3 inprecipitation per year · 997 mm
- 12.9 insnowfall per year · 33 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit San Jose: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station MASON CITY 4SE, IL US (USC00115413), adjusted for the elevation of San Jose.
San Jose weather month by month
Sunrise and sunset in San Jose through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:17 AM | 4:58 PM | 9 h 40 min |
| February | 6:49 AM | 5:35 PM | 10 h 45 min |
| March | 7:07 AM | 7:06 PM | 11 h 58 min |
| April | 6:18 AM | 7:38 PM | 13 h 20 min |
| May | 5:40 AM | 8:09 PM | 14 h 28 min |
| June | 5:26 AM | 8:31 PM | 15 h 5 min |
| July | 5:40 AM | 8:28 PM | 14 h 48 min |
| August | 6:08 AM | 7:57 PM | 13 h 48 min |
| September | 6:38 AM | 7:08 PM | 12 h 30 min |
| October | 7:08 AM | 6:20 PM | 11 h 11 min |
| November | 6:43 AM | 4:42 PM | 9 h 59 min |
| December | 7:12 AM | 4:34 PM | 9 h 22 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in San Jose?
San Jose has a hot-summer humid continental climate. The warmest month is July, with an average high of 85°F (30°C), and the coldest is January, with average lows of 16°F (-9°C).
It gets about 39.3 inches (997 mm) of precipitation a year. The wettest month is July and the driest is December. Snow is common: about 13 inches fall in an average year.
The best time to visit San Jose is May–June and August–September. At 600 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about San Jose
Weather in towns near San Jose
Questions about the weather in San Jose
What is the hottest month in San Jose?
July, with an average high of 85°F (30°C).
What is the coldest month in San Jose?
January, with an average low of 16°F (-9°C).
How much does it rain in San Jose?
About 39.3 inches (997 mm) a year; the wettest month is July.
Does it snow in San Jose?
Yes, about 13 inches of snow fall in an average year.
When is the best time to visit San Jose?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does San Jose have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in San Jose in November?
Highs average 51°F and lows 31°F, with about 2.8 inches of precipitation.
What time is sunrise in San Jose?
Around 6:43 AM in mid-November, and sunset around 4:42 PM. Today’s exact times are shown above.
Where does this San Jose weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of San Jose.
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