UTC Offset
UTC-07:00
Mountain House, United States Snapshot 2026
Where is Mountain House?
Mountain House, United States
- Continent
- Americas
- Country
- United States
- City
- Mountain House
- Population
- 9.7K
- Elevation
- 18 m
- Coordinates
- 37.78°, -121.54°
Mountain House is a city in United States with a population of approximately 9.7K. Average temperatures range from 6°C (42°F) in January to 34°C (92°F) in July. The best time to visit is May, June, August, September, October.
Time in Mountain House right now
Open full time & time zone page 14:08 08
Monday, June 15, 2026
IANA time zone
America/Los_Angeles
Daylight saving
DST in effect
PST / PDT
Next DST change
November 1
backward -1h
Live weather in Mountain House
Daylight in Mountain House today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 46m
Climate normals for Mountain House
Long-term monthly averages based on historical data.
January
Fair 
February
Fair 
March
Good April
Good May best
Excellent June best
Excellent July
Excellent August best
Excellent September best
Excellent October best
Excellent November
Good December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 15°C / 6°C | 13°C / 3°C | 10days (99 mm) Wet | 6.8h Fair | 79% Humid | 3 Moderate | Fair | View Details |
| February | 17°C / 6°C | 15°C / 3°C | 7days (71 mm) Good | 8.4h Good | 70% Muggy | 3.9 Moderate | Fair | View Details |
| March | 19°C / 7°C | 17°C / 5°C | 11days (80 mm) Wet | 9.3h Good | 71% Muggy | 5.4 High | Good | View Details |
| April | 23°C / 9°C | 22°C / 7°C | 4days (26 mm) Good | 10.9h Excellent | 63% Muggy | 6.8 High | Good | View Details |
| May best | 27°C / 12°C | 26°C / 10°C | 3days (14 mm) Excellent | 12.7h Excellent | 55% Moderate | 7.9 Very High | Excellent | View Details |
| June best | 32°C / 15°C | 31°C / 14°C | 0days (1 mm) Excellent | 13.6h Excellent | 48% Moderate | 8.2 Very High | Excellent | View Details |
| July | 34°C / 16°C | 34°C / 16°C | 0days (0 mm) Excellent | 13.5h Excellent | 50% Moderate | 8.3 Very High | Excellent | View Details |
| August best | 33°C / 16°C | 33°C / 16°C | 0days (0 mm) Excellent | 12.5h Excellent | 53% Moderate | 7.8 Very High | Excellent | View Details |
| September best | 31°C / 15°C | 31°C / 15°C | 1days (4 mm) Excellent | 11.4h Excellent | 55% Moderate | 6.5 High | Excellent | View Details |
| October best | 26°C / 13°C | 24°C / 11°C | 3days (25 mm) Excellent | 9.7h Good | 55% Moderate | 5.1 High | Excellent | View Details |
| November | 19°C / 8°C | 17°C / 6°C | 6days (44 mm) Good | 8.1h Good | 67% Muggy | 3.5 Moderate | Good | View Details |
| December | 14°C / 6°C | 13°C / 3°C | 9days (83 mm) Wet | 6.7h Fair | 77% Humid | 2.8 Moderate | Fair | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 15°C / 6°C . Feb: 17°C / 6°C . Mar: 19°C / 7°C . Apr: 23°C / 9°C . May: 27°C / 12°C . Jun: 32°C / 15°C . Jul: 34°C / 16°C . Aug: 33°C / 16°C . Sep: 31°C / 15°C . Oct: 26°C / 13°C . Nov: 19°C / 8°C . Dec: 14°C / 6°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 99 mm. Feb: 71 mm. Mar: 80 mm. Apr: 26 mm. May: 14 mm. Jun: 1 mm. Jul: 0 mm. Aug: 0 mm. Sep: 4 mm. Oct: 25 mm. Nov: 44 mm. Dec: 83 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 79%. Feb: 70%. Mar: 71%. Apr: 63%. May: 55%. Jun: 48%. Jul: 50%. Aug: 53%. Sep: 55%. Oct: 55%. Nov: 67%. Dec: 77%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 12 km/h . Feb: 14 km/h . Mar: 14 km/h . Apr: 14 km/h . May: 16 km/h . Jun: 16 km/h . Jul: 15 km/h . Aug: 14 km/h . Sep: 13 km/h . Oct: 12 km/h . Nov: 10 km/h . Dec: 11 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 4. Mar: UV 5. Apr: UV 7. May: UV 8. Jun: UV 8. Jul: UV 8. Aug: UV 8. Sep: UV 7. Oct: UV 5. Nov: UV 4. Dec: UV 3.
Frequently Asked Questions
Mountain House has a population of approximately 9.7K.
The best months to visit Mountain House are May, June, August, September, October, when temperatures are pleasant and rainfall is lower.
Mountain House receives approximately 447mm of rainfall annually across 54 rainy days.
Mountain House is located in United States, in the Americas region.
Mountain House sits at an elevation of 18 m (59 ft) above sea level.