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Oconomowoc, United States Snapshot 2026
Where is Oconomowoc?
Oconomowoc, United States
- Continent
- Americas
- Country
- United States
- City
- Oconomowoc
- Population
- 16.4K
- Elevation
- 263 m
- Coordinates
- 43.11°, -88.50°
Oconomowoc is a city in United States with a population of approximately 16.4K. Average temperatures range from -9°C (16°F) in January to 28°C (82°F) in July. The best time to visit is June, July, August, September. The city sits at an elevation of 263 m above sea level.
Time in Oconomowoc right now
Open full time & time zone page 14:22 22
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 Oconomowoc
Daylight in Oconomowoc today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 21m
Climate normals for Oconomowoc
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Fair May
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 | -1°C / -9°C | -6°C / -14°C | 8days (50 mm) Wet | 5.2h Fair | 74% Muggy | 2.2 Moderate | Poor | View Details |
| February | 1°C / -8°C | -3°C / -13°C | 7days (39 mm) Good | 6.9h Fair | 71% Muggy | 3.2 Moderate | Poor | View Details |
| March | 8°C / -1°C | 4°C / -6°C | 10days (79 mm) Wet | 7.6h Good | 67% Muggy | 4.2 Moderate | Poor | View Details |
| April | 14°C / 3°C | 11°C / -1°C | 13days (100 mm) Wet | 8.7h Good | 66% Muggy | 5.2 High | Fair | View Details |
| May | 21°C / 10°C | 20°C / 8°C | 12days (103 mm) Wet | 9.9h Good | 67% Muggy | 6.3 High | Good | View Details |
| June best | 26°C / 16°C | 27°C / 16°C | 11days (94 mm) Wet | 11.6h Excellent | 67% Muggy | 6.9 High | Excellent | View Details |
| July best | 28°C / 19°C | 30°C / 20°C | 11days (93 mm) Wet | 12.1h Excellent | 70% Muggy | 7 High | Excellent | View Details |
| August best | 27°C / 18°C | 28°C / 19°C | 10days (87 mm) Wet | 11h Excellent | 72% Muggy | 6.3 High | Excellent | View Details |
| September best | 24°C / 15°C | 24°C / 14°C | 9days (87 mm) Wet | 9.2h Good | 72% Muggy | 5.2 High | Excellent | View Details |
| October | 16°C / 8°C | 14°C / 5°C | 10days (84 mm) Wet | 7.1h Good | 70% Muggy | 3.6 Moderate | Fair | View Details |
| November | 8°C / 1°C | 4°C / -3°C | 7days (48 mm) Good | 6.1h Fair | 71% Muggy | 2.3 Moderate | Poor | View Details |
| December | 2°C / -5°C | -3°C / -10°C | 7days (46 mm) Good | 5h Fair | 73% Muggy | 1.8 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: -1°C / -9°C . Feb: 1°C / -8°C . Mar: 8°C / -1°C . Apr: 14°C / 3°C . May: 21°C / 10°C . Jun: 26°C / 16°C . Jul: 28°C / 19°C . Aug: 27°C / 18°C . Sep: 24°C / 15°C . Oct: 16°C / 8°C . Nov: 8°C / 1°C . Dec: 2°C / -5°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 50 mm. Feb: 39 mm. Mar: 79 mm. Apr: 100 mm. May: 103 mm. Jun: 94 mm. Jul: 93 mm. Aug: 87 mm. Sep: 87 mm. Oct: 84 mm. Nov: 48 mm. Dec: 46 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 74%. Feb: 71%. Mar: 67%. Apr: 66%. May: 67%. Jun: 67%. Jul: 70%. Aug: 72%. Sep: 72%. Oct: 70%. Nov: 71%. Dec: 73%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 18 km/h . Feb: 20 km/h . Mar: 20 km/h . Apr: 21 km/h . May: 18 km/h . Jun: 18 km/h . Jul: 15 km/h . Aug: 15 km/h . Sep: 16 km/h . Oct: 19 km/h . Nov: 19 km/h . Dec: 19 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
Oconomowoc has a population of approximately 16.4K.
The best months to visit Oconomowoc are June, July, August, September, when temperatures are pleasant and rainfall is lower.
Oconomowoc receives approximately 910mm of rainfall annually across 115 rainy days.
Oconomowoc is located in United States, in the Americas region.
Oconomowoc sits at an elevation of 263 m (863 ft) above sea level.