The best times to visit Jerseyville for ideal weather are

April 23rd to June 10th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Jerseyville Travel Info

Weather in Jerseyville

Temperature

Average temperatures in Jerseyville vary drastically. Considering humidity, temperatures feel nice between summer and winter. The temperatures feel cold for about half the year, and too hot for part of the year with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 25th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Jerseyville, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 90.1°F (32.3°C) with temperatures rarely dropping below 68.7°F (20.4°C) at night.

Jerseyville Temperatures (Fahrenheit)

Key
High
Average
Low

Jerseyville Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Jerseyville Perceived Temperature (F)

Key
High
Average
Low

Jerseyville Perceived Temperature (C)

Key
High
Average
Low

 

Average Jerseyville Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 40.1 29.2 20.4
Feb 41.7 30.8 22.2
Mar 58.5 45.6 35.2
Apr 69.3 56.5 45.3
May 78.3 66.7 56
Jun 87.1 75.8 65.6
Jul 89.3 78 67.7
Aug 88.6 76.7 65.9
Sep 81.4 68.5 57.4
Oct 69.8 56.8 45.4
Nov 56.9 44.9 34.7
Dec 44 34.6 27.3

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 4.5 -1.6 -6.4
Feb 5.4 -0.7 -5.4
Mar 14.7 7.6 1.8
Apr 20.7 13.6 7.4
May 25.7 19.3 13.3
Jun 30.6 24.3 18.7
Jul 31.8 25.6 19.8
Aug 31.4 24.8 18.8
Sep 27.4 20.3 14.1
Oct 21 13.8 7.4
Nov 13.8 7.2 1.5
Dec 6.7 1.4 -2.6

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Jerseyville are January, August, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in late May to early June with an average of 3 days of significant precipitation the week of May 28th.

When can you find snow in Jerseyville? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Jerseyville.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Jerseyville (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 10% 0 1.6
Feb 15% 0 2.1
Mar 22% 0 2.8
Apr 25% 0 5
May 29% 0 4.3
Jun 28% 0 5.2
Jul 21% 0 4
Aug 14% 0 3.5
Sep 19% 0 4.4
Oct 18% 0 3.3
Nov 18% 0 3
Dec 19% 0 3.6

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 10 0 4.1
Feb 15 0 5.3
Mar 22 0 7.1
Apr 25 0 12.7
May 29 0 10.9
Jun 28 0 13.2
Jul 21 0 10.2
Aug 14 0 8.9
Sep 19 0 11.2
Oct 18 0 8.4
Nov 18 0 7.6
Dec 19 0 9.1

 

Humidity and Wind

Jerseyville has some high humidity months, with other comfortably humid months. The least humid month is April (52.6% relative humidity), and the most humid month is December (68.7%).

Wind in Jerseyville is usually calm. The windiest month is April, followed by March and February. April’s average wind speed of around 8.6 knots (9.9 MPH or 15.9 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid April where average top sustained speeds reach 17.7 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Jerseyville.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 7.7 Gentle breeze 14.6 Significant breeze
Feb 7.9 Gentle breeze 15 Significant breeze
Mar 8.1 Gentle breeze 15.2 Significant breeze
Apr 8.6 Gentle breeze 16.8 Significant breeze
May 7 Gentle breeze 15.3 Significant breeze
Jun 5.9 Light breeze 14.8 Significant breeze
Jul 4.5 Light breeze 11.3 Significant breeze
Aug 4.2 Light breeze 10.7 Gentle breeze
Sep 4.9 Light breeze 11.5 Significant breeze
Oct 6.4 Light breeze 13.1 Significant breeze
Nov 7.2 Gentle breeze 14 Significant breeze
Dec 7.4 Gentle breeze 13.9 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 59.8%
Feb 59.2%
Mar 56.5%
Apr 52.6%
May 58.5%
Jun 62%
Jul 62.5%
Aug 62.8%
Sep 63%
Oct 58.2%
Nov 58.4%
Dec 68.7%

 

Is it Safe to Travel to Jerseyville?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Dec 04, 2023.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Jerseyville, IL, US is July, followed by June and August. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Jerseyville in November. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 38.7 in November means 38.7% of the tourists vs. July.

 

 

Overall Jerseyville Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 83.5°F (28.6°C) and 46.1°F (7.8°C) with warmer temperatures in the later months. Rain is somewhat common with 7 to 9 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see moderate precipitation with 4 to 8 days of precipitation per month. June – August is the busiest season for tourism in Jerseyville, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 84.5°F (29.2°C) and 50.1°F (10.1°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 5 to 6 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is far too cold this time of year in Jerseyville to be enjoyable for warm weather travelers. The average high during this season is between 46.1°F (7.8°C) and 39.4°F (4.1°C). On average, it rains or snows a fair amount: 3 to 6 times per month. These times of year are fairly slow with tourists.

 

Best Times to Travel› the United States › Jerseyville, IL, US