Niantic, IL weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Niantic now
Loading the National Weather Service forecast…
Niantic weather by the hour
Niantic weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Niantic.
This week in Niantic
Sunrise, sunset and moon in Niantic
What is the weather usually like in Niantic?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 85°F average high
- Januarycoldest month · 20°F average low
- 40.4 inprecipitation per year · 1,027 mm
- 13.6 insnowfall per year · 35 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Niantic: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station DECATUR WTP, IL US (USC00112193), adjusted for the elevation of Niantic.
Niantic weather month by month
Sunrise and sunset in Niantic through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:14 AM | 4:57 PM | 9 h 43 min |
| February | 6:47 AM | 5:34 PM | 10 h 46 min |
| March | 7:06 AM | 7:04 PM | 11 h 58 min |
| April | 6:17 AM | 7:36 PM | 13 h 19 min |
| May | 5:39 AM | 8:06 PM | 14 h 26 min |
| June | 5:26 AM | 8:28 PM | 15 h 2 min |
| July | 5:39 AM | 8:25 PM | 14 h 46 min |
| August | 6:07 AM | 7:54 PM | 13 h 47 min |
| September | 6:36 AM | 7:06 PM | 12 h 30 min |
| October | 7:05 AM | 6:18 PM | 11 h 12 min |
| November | 6:40 AM | 4:42 PM | 10 h 1 min |
| December | 7:09 AM | 4:34 PM | 9 h 24 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Niantic?
Niantic has a hot-summer humid continental climate. The warmest month is July, with an average high of 85°F (29°C), and the coldest is January, with average lows of 20°F (-7°C).
It gets about 40.4 inches (1,027 mm) of precipitation a year. The wettest month is May and the driest is February. Snow is common: about 14 inches fall in an average year.
The best time to visit Niantic 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 Niantic
Weather in towns near Niantic
Questions about the weather in Niantic
What is the hottest month in Niantic?
July, with an average high of 85°F (29°C).
What is the coldest month in Niantic?
January, with an average low of 20°F (-7°C).
How much does it rain in Niantic?
About 40.4 inches (1,027 mm) a year; the wettest month is May.
Does it snow in Niantic?
Yes, about 14 inches of snow fall in an average year.
When is the best time to visit Niantic?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Niantic have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Niantic in November?
Highs average 50°F and lows 35°F, with about 3.2 inches of precipitation.
What time is sunrise in Niantic?
Around 6:40 AM in mid-November, and sunset around 4:42 PM. Today’s exact times are shown above.
Where does this Niantic weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Niantic.
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