Region: Wisconsin · United States
Janesville travel guide
Janesville is a city in Wisconsin, United States, home to about 66,000 people.
- Nearest airport
- RFD55 km · Chicago Rockford International Airport
- Currency
- USDUnited States dollar
- Time zone
- America/Chicago
- Plugs
- A, B · 120 V
- Emergency
- 911
- Language
- Carolinian, Chamorro, Hawaiian
When to go
The best time to visit Janesville
Janesville has no month that is both mild and dry by the measure used here. July is the warmest month, with average highs of 28 °C; June is the wettest, with about 134 mm of rain.
Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).
Public holidays in United States, 2026
Shops and offices may close on these dates.
Getting there
Getting to Janesville: airports and arrival
The nearest airport with scheduled flights is Chicago Rockford International Airport (RFD), about 55 km from the city centre in a straight line; Dane County Regional Truax Field (MSN, 57 km) and General Mitchell International Airport (MKE, 96 km) are also within reach.
RFD · Chicago Rockford International Airport
MSN · Dane County Regional Truax Field
MKE · General Mitchell International Airport
Questions
Janesville: questions travellers ask
When is the best time to visit Janesville?
Janesville has no month that is both mild and dry by the measure used here. July is the warmest month, with average highs of 28 °C; June is the wettest, with about 134 mm of rain.
Which airport is closest to Janesville?
The nearest airport with scheduled flights is Chicago Rockford International Airport (RFD), about 55 km from the city centre in a straight line; Dane County Regional Truax Field (MSN, 57 km) and General Mitchell International Airport (MKE, 96 km) are also within reach.
What currency is used in Janesville?
United States dollar (USD).
Nearby
Destinations near Janesville
Sources: city facts from Wikidata and Wikipedia; airports from OurAirports; climate from CRU TS v4.10 (University of East Anglia Climatic Research Unit), 1991–2020 monthly means, 0.5° grid; public holidays from python-holidays (MIT); places to stay, guest scores and amenities from each operator's own public pages. How this guide is made.