Troy, IL weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Troy now
Loading the National Weather Service forecast…
Troy weather by the hour
Troy weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Troy.
This week in Troy
Sunrise, sunset and moon in Troy
What is the weather usually like in Troy?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 90°F average high
- Januarycoldest month · 24°F average low
- 43.4 inprecipitation per year · 1,101 mm
- 11.2 insnowfall per year · 28 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Troy: April–May and September–October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station BELLEVILLE SIU RSCH, IL US (USW00013802), adjusted for the elevation of Troy.
Troy weather month by month
Sunrise and sunset in Troy through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:14 AM | 5:03 PM | 9 h 49 min |
| February | 6:48 AM | 5:38 PM | 10 h 49 min |
| March | 7:08 AM | 7:07 PM | 11 h 58 min |
| April | 6:21 AM | 7:37 PM | 13 h 16 min |
| May | 5:45 AM | 8:06 PM | 14 h 20 min |
| June | 5:32 AM | 8:27 PM | 14 h 54 min |
| July | 5:45 AM | 8:25 PM | 14 h 39 min |
| August | 6:12 AM | 7:55 PM | 13 h 43 min |
| September | 6:40 AM | 7:09 PM | 12 h 29 min |
| October | 7:07 AM | 6:22 PM | 11 h 15 min |
| November | 6:40 AM | 4:47 PM | 10 h 6 min |
| December | 7:09 AM | 4:40 PM | 9 h 31 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Troy?
Troy has a humid subtropical climate. The warmest month is July, with an average high of 90°F (32°C), and the coldest is January, with average lows of 24°F (-5°C).
It gets about 43.4 inches (1,101 mm) of precipitation a year. The wettest month is May and the driest is February. Snow is common: about 11 inches fall in an average year.
The best time to visit Troy is April–May and September–October. At 538 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 Troy
Weather in towns near Troy
Questions about the weather in Troy
What is the hottest month in Troy?
July, with an average high of 90°F (32°C).
What is the coldest month in Troy?
January, with an average low of 24°F (-5°C).
How much does it rain in Troy?
About 43.4 inches (1,101 mm) a year; the wettest month is May.
Does it snow in Troy?
Yes, about 11 inches of snow fall in an average year.
When is the best time to visit Troy?
April–May and September–October, when temperatures are most pleasant and rainy days are fewer.
What climate does Troy have?
Humid subtropical (Köppen Cfa).
What is the weather like in Troy in November?
Highs average 58°F and lows 37°F, with about 3.6 inches of precipitation.
What time is sunrise in Troy?
Around 6:40 AM in mid-November, and sunset around 4:47 PM. Today’s exact times are shown above.
Where does this Troy weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Troy.
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