Cool
Average highs are around 16°C, so pack for cooler days.
April verdict
Ottawa, Illinois, United States in April
Weather score35Poor
Poor for holiday weather
Average highs are around 16°C, so pack for cooler days. Sunshine averages 7.2h per day, enough for a balanced month. Rainfall averages 88mm, so some wet days are possible.
April weather
Monthly averages
Temp
16°C
Rain
88mm
Sun
7.2h
Weather score
35
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 88mm, so some wet days are possible.
Some sun
Sunshine averages 7.2h per day, enough for a balanced month.
Map
Weather map
Compare Ottawa, Illinois, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
April16°C average high
April is close to Ottawa's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
April88mm average rain
April is wetter than Ottawa's yearly average, so flexible plans matter more.
Driest monthsJanuary to February, October, and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
April7.2 hours average sun
April sits close to Ottawa's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
April35 weather score
April is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
