UTC Offset
UTC-05:00
Onalaska, United States Snapshot 2026
Where is Onalaska?
Onalaska, United States
- Continent
- Americas
- Country
- United States
- City
- Onalaska
- Population
- 18.5K
- Elevation
- 216 m
- Coordinates
- 43.88°, -91.24°
Onalaska is a city in United States with a population of approximately 18.5K. Average temperatures range from -11°C (12°F) in January to 28°C (83°F) in July. The best time to visit is May, June, July, August, September. The city sits at an elevation of 216 m above sea level.
Time in Onalaska right now
Open full time & time zone page 12:45 45
Monday, June 15, 2026
IANA time zone
America/Chicago
Daylight saving
DST in effect
CST / CDT
Next DST change
November 1
backward -1h
Live weather in Onalaska
Daylight in Onalaska today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 27m
Climate normals for Onalaska
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Fair May best
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Fair November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -2°C / -11°C | -7°C / -16°C | 6days (34 mm) Good | 5.3h Fair | 75% Muggy | 2 Low | Poor | View Details |
| February | 0°C / -10°C | -4°C / -15°C | 6days (36 mm) Good | 7.2h Good | 70% Muggy | 3.2 Moderate | Poor | View Details |
| March | 8°C / -2°C | 4°C / -6°C | 9days (72 mm) Wet | 7.9h Good | 65% Muggy | 4.1 Moderate | Poor | View Details |
| April | 14°C / 3°C | 11°C / -1°C | 12days (88 mm) Wet | 8.4h Good | 65% Muggy | 4.8 Moderate | Fair | View Details |
| May best | 21°C / 11°C | 20°C / 9°C | 12days (116 mm) Wet | 10.2h Excellent | 67% Muggy | 6.2 High | Good | View Details |
| June best | 27°C / 17°C | 28°C / 17°C | 13days (130 mm) Wet | 11.6h Excellent | 68% Muggy | 6.6 High | Excellent | View Details |
| July best | 28°C / 19°C | 31°C / 20°C | 10days (107 mm) Wet | 12.2h Excellent | 72% Muggy | 6.8 High | Excellent | View Details |
| August best | 27°C / 18°C | 29°C / 19°C | 11days (113 mm) Wet | 10.9h Excellent | 73% Muggy | 6.2 High | Excellent | View Details |
| September best | 24°C / 15°C | 24°C / 14°C | 9days (97 mm) Wet | 9.3h Good | 72% Muggy | 5.1 High | Excellent | View Details |
| October | 16°C / 8°C | 13°C / 5°C | 10days (88 mm) Wet | 7h Good | 69% Muggy | 3.6 Moderate | Fair | View Details |
| November | 7°C / 0°C | 3°C / -4°C | 6days (54 mm) Good | 5.8h Fair | 70% Muggy | 2.2 Moderate | Poor | View Details |
| December | 0°C / -7°C | -4°C / -12°C | 8days (44 mm) Wet | 4.9h Fair | 74% Muggy | 1.8 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: -2°C / -11°C . Feb: 0°C / -10°C . Mar: 8°C / -2°C . Apr: 14°C / 3°C . May: 21°C / 11°C . Jun: 27°C / 17°C . Jul: 28°C / 19°C . Aug: 27°C / 18°C . Sep: 24°C / 15°C . Oct: 16°C / 8°C . Nov: 7°C / 0°C . Dec: 0°C / -7°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 34 mm. Feb: 36 mm. Mar: 72 mm. Apr: 88 mm. May: 116 mm. Jun: 130 mm. Jul: 107 mm. Aug: 113 mm. Sep: 97 mm. Oct: 88 mm. Nov: 54 mm. Dec: 44 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 75%. Feb: 70%. Mar: 65%. Apr: 65%. May: 67%. Jun: 68%. Jul: 72%. Aug: 73%. Sep: 72%. Oct: 69%. Nov: 70%. Dec: 74%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 17 km/h . Feb: 19 km/h . Mar: 19 km/h . Apr: 21 km/h . May: 18 km/h . Jun: 17 km/h . Jul: 15 km/h . Aug: 15 km/h . Sep: 16 km/h . Oct: 19 km/h . Nov: 19 km/h . Dec: 18 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 5. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 4. Nov: UV 2. Dec: UV 2.
Frequently Asked Questions
Onalaska has a population of approximately 18.5K.
The best months to visit Onalaska are May, June, July, August, September, when temperatures are pleasant and rainfall is lower.
Onalaska receives approximately 979mm of rainfall annually across 112 rainy days.
Onalaska is located in United States, in the Americas region.
Onalaska sits at an elevation of 216 m (709 ft) above sea level.