Sunnyvale, CA weather in June
Expect mild, dry weather in Sunnyvale in June, with highs near 76°F and lows near 56°F. Rain falls on about 1 day. Great for outdoor plans.
- Normal high
- 76°F
- Normal low
- 56°F
- Wet days
- 1
- 0.1 in total
- Muggy days
- 0
- dew point 65°F+
How June changes from start to finish
| June 1 | June 30 | |
|---|---|---|
| Normal high | 74°F | 77°F |
| Normal low | 54°F | 57°F |
| Chance of a wet day | 5% | 2% |
| Sunrise / sunset | 5:48 am / 8:23 pm | 5:50 am / 8:32 pm |
| Daylight | 14.6 h | 14.7 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical June day
- 6 am56°Fdew point 50°F
- 9 am62°Fdew point 52°F
- Noon68°Fdew point 51°F
- 3 pm68°Fdew point 50°F
- 6 pm63°Fdew point 50°F
- 9 pm58°Fdew point 50°F
NOAA hourly normals (local standard time) from San Francisco Intl Airport (25 mi away); average wind 14 mph; clear or few clouds in 59% of daytime hours, mostly cloudy or overcast in 22%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F23 of 30
- Hot dayshigh 90°F or more2 of 30
- Muggy daysdaily mean dew point 65°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow1 of 30
- Notable rainat least 0.10 in0 of 30
- Freezing nightslow 32°F or below0 of 30
Average days per June, counted from daily records for each year 1991-2020.
Rain in June
Normal precipitation is 0.1 in; a dry June brings about 0.0 in and a wet one about 0.1 in (25th and 75th percentiles). Days with half an inch or more are rare.
How June varies from year to year
- Warmest June, 1991-20201993: average high 82°F
- Coolest June1999: average high 72°F
- Wettest June1993: 0.5 in
- Driest June2002: no measurable precipitation
- Highest reading106°F (June 14, 2000)
- Lowest reading46°F (June 8, 1999)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
June compared with May and July
| May | June | July | |
|---|---|---|---|
| Normal high | 72°F | 76°F | 77°F |
| Normal low | 53°F | 56°F | 59°F |
| Wet days | 3 | 1 | 0 |
| Comfortable days | 24 | 23 | 24 |
| Daylight | 14.2 h | 14.7 h | 14.4 h |
Highs change by +4°F from May and +1°F into July.
Nearby alternatives in June
- Warmer: Concord, CA42 mi · high 85°F · 1 wet day
- Cooler: San Francisco, CA35 mi · high 67°F · 2 wet days
How Sunnyvale ranks in June
- Normal high306th warmest of 378 cities; 45th of 60 in California
- Wet days55th driest of 378
- Comfortable days12th most of 340
What to pack for Sunnyvale in June
- Sunglasses and sunscreen – about 14.7 hours of daylight and highs near 76°F
Heating and cooling
June has 39 heating degree days and 63 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How hot is Sunnyvale in June?
The normal high is 76°F and the normal low is 56°F. From 1991 to 2020 the hottest June reading was 106°F (June 14, 2000).
Does it rain a lot in Sunnyvale in June?
About 1 days in June have at least 0.01 in of precipitation, and the normal total is 0.1 in. The wettest June in 1991-2020 was in 1993 (0.5 in); the driest was in 2002, with no measurable precipitation.
Is June a good time to visit Sunnyvale?
June ranks 1st of 12 months on our comfort score for Sunnyvale (89 out of 100). It has about 23 comfortable days and about 2 days at 90°F or hotter. The best months are May, June and July.
Where the numbers come from
- Temperature, rain and frost dates: Moffett Federal Airfield (USW00023244), 2.6 mi NNW of the city center, 39 ft (85 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Snowfall: Palo Alto (USC00046646), 7.7 mi NW of the city center, 25 ft (99 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Snow depth: Newark (USC00046144), 10 mi N of the city center, 10 ft (114 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: San Francisco Intl Airport (USW00023234), 25 mi NW of the city center, 8 ft (116 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: N Y. Mineta Sn Jo Intl Apt (724945-23293), 6.2 mi E of the city center, 49 ft (75 ft lower than the city). Hourly observations, 1991-2020.