- Save up to £900 off tours across the globe in 2025/26
- Book tours to Europe, the America, Asia, Africa & beyond
- Travel between 1st Jan & 31st Dec 2025 (inclusive)
Decatur weather in October 2025
Expect 20°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Decatur in October. Check more long-term weather averages for Decatur in October before you book your next holiday to Illinois in 2025/2026.
- 2020°C max day temperature
- 7 hours of sunshine per day
- 88 days with some rainfall
- 66°C min night temperature
- 1111 hours of daylight per day
- 0No heat & humidity
- 7070 mm of monthly rainfall
- 44 (Moderate) UV index
More about Decatur
- Overview
- Best time to visit
- Weather by month
- 5-day weather forecast
- Destinations
- Travel advice
- Deals & discounts
Decatur by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Illinois
Expires at 23:59 on Thursday 5th Dec 2024 · View all Cosmos offers
The October weather guide for Illinois (Decatur) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Decatur in October?
Daytime temperatures usually reach 20°C in Decatur in October, falling to 6°C at night.
How sunny is it in Decatur in October?
There are normally 7 hours of bright sunshine each day in Decatur in October - that's 60% of daylight hours.
Does it rain in Decatur in October?
There are usually 8 days with some rain in Decatur in October and the average monthly rainfall is 70mm.
Decatur October sunrise & sunset times
Browse the sunrise and sunset times for Decatur in October 2025. Select a month to view Decatur sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Wednesday, 1st October 2025 | 05:52 | 17:38 |
Thursday, 16th October 2025 | 06:08 | 17:14 |
Friday, 31st October 2025 | 06:24 | 16:54 |
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holidays in the sun for less
- Beach holidays
- Family holidays
- City breaks
- Summer holidays
- Winter sun holidays
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- Airport parking deals
- TUI
- Jet2holidays
- easyJet holidays
- Love Holidays
- Black Friday sales
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport