Fullerton weather in June: Fullerton, California: normal highs, lows, rain and records for June
Fullerton in June has a normal high of 79°F and a normal low of 63°F, a daily mean of 71°F, rising from 76°F on the 1st to 82°F by the 30th. Measurable precipitation falls on 1 days in a normal June, 0.08 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 17°C, 2 mm of precipitation in June.
- NOAA stationFullerton Municipal Airport
- Station IDUSW00003166
- Location33.87°N 117.98°W
- Elevation96 ft (29 m)
- From the center3 miles
- Population140,054
- Jan 69° 46°
- Feb 69° 48°
- Mar 71° 52°
- Apr 74° 54°
- May 76° 58°
- Jun 79° 63°
- Jul 84° 66°
- Aug 87° 66°
- Sep 85° 65°
- Oct 80° 58°
- Nov 74° 51°
- Dec 68° 46°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Fullerton in June?
The normal high is 79°F and the normal low 63°F, for a daily mean of 70.8°F. June is 3.9°F warmer than May and 4.4°F cooler than July. June is the 4th warmest month of the year in Fullerton and the 10th wettest. Across the month the normal high rises 6°F, from 76°F on June 1 to 82°F on June 30. From one year to the next June's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Junes in three average between 69°F and 73°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 4%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| June 1 | 76°F | 60°F | 4% | 1% |
| June 8 | 77°F | 61°F | 3% | 1% |
| June 15 | 79°F | 63°F | 2% | 0% |
| June 22 | 80°F | 64°F | 1% | 0% |
| June 30 | 82°F | 65°F | 1% | 0% |
Every day of June: normal high, low and chance of precipitation (warmest afternoon June 30, coldest night June 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| June 1 | 76°F | 60°F | 4% | 1% | 14 h 10 min |
| June 2 | 76°F | 61°F | 3% | 1% | 14 h 20 min |
| June 3 | 77°F | 61°F | 3% | 1% | 14 h 20 min |
| June 4 | 77°F | 61°F | 3% | 1% | 14 h 20 min |
| June 5 | 77°F | 61°F | 3% | 1% | 14 h 20 min |
| June 6 | 77°F | 61°F | 3% | 1% | 14 h 20 min |
| June 7 | 77°F | 61°F | 3% | 1% | 14 h 20 min |
| June 8 | 77°F | 61°F | 3% | 1% | 14 h 20 min |
| June 9 | 77°F | 62°F | 3% | 1% | 14 h 20 min |
| June 10 | 78°F | 62°F | 2% | 1% | 14 h 20 min |
| June 11 | 78°F | 62°F | 2% | 1% | 14 h 20 min |
| June 12 | 78°F | 62°F | 2% | 1% | 14 h 20 min |
| June 13 | 78°F | 62°F | 2% | 0% | 14 h 20 min |
| June 14 | 79°F | 62°F | 2% | 0% | 14 h 20 min |
| June 15 | 79°F | 63°F | 2% | 0% | 14 h 20 min |
| June 16 | 79°F | 63°F | 2% | 0% | 14 h 20 min |
| June 17 | 79°F | 63°F | 2% | 0% | 14 h 20 min |
| June 18 | 79°F | 63°F | 2% | 0% | 14 h 20 min |
| June 19 | 80°F | 63°F | 2% | 0% | 14 h 20 min |
| June 20 | 80°F | 63°F | 2% | 0% | 14 h 20 min |
| June 21 | 80°F | 64°F | 2% | 0% | 14 h 20 min |
| June 22 | 80°F | 64°F | 1% | 0% | 14 h 20 min |
| June 23 | 81°F | 64°F | 1% | 0% | 14 h 20 min |
| June 24 | 81°F | 64°F | 1% | 0% | 14 h 20 min |
| June 25 | 81°F | 64°F | 1% | 0% | 14 h 20 min |
| June 26 | 81°F | 64°F | 1% | 0% | 14 h 20 min |
| June 27 | 82°F | 64°F | 1% | 0% | 14 h 20 min |
| June 28 | 82°F | 65°F | 1% | 0% | 14 h 20 min |
| June 29 | 82°F | 65°F | 1% | 0% | 14 h 20 min |
| June 30 | 82°F | 65°F | 1% | 0% | 14 h 20 min |
- Normal high
- 79°FJune average
- Normal low
- 63°FJune average
- Precipitation
- 0.08 inmonth total
- Days with precipitation
- 10.01 inch or more
- Days at 90°F or more
- 2
- Daylight
- 14 h 10 min to 14 h 20 minJune 1 to June 30
- Days at 70°F or more
- 29
- Days at 80°F or more
- 13
- Sunshine
- 85%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003166; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Fullerton in June?
On a given June day the chance of 0.01 inch or more is 2% on average, highest around June 1 (4%). In all, 0.08 in falls on 1 days of a normal June.
In a normal June in Fullerton, 2 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003166.
What are the records for June in Fullerton?
The warmest June temperature on this station's record (since 1998) is 109°F, on June 20, 2016; the coldest is 52°F, on June 5, 1999. The wettest June brought 0.45 in (1999).
The June mean against the 1991-2020 normal of 70.8°F: 2021 71.8°F (+1.0), 2022 73.2°F (+2.4), 2023 67.4°F (−3.4), 2024 71.0°F (+0.3), 2025 71.7°F (+0.9), 2026 70.8°F (at normal). 4 of 6 ran warmer than normal.
| June | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 71.8°F | +1.0°F | 0.01 in |
| 2022 | 73.2°F | +2.4°F | 0.10 in |
| 2023 | 67.4°F | −3.4°F | 0.00 in |
| 2024 | 71.0°F | +0.3°F | 0.00 in |
| 2025 | 71.7°F | +0.9°F | 0.00 in |
| 2026 | 70.8°F | at normal | 0.00 in |
Source: records: ACIS, station USW00003166; recent months: ACIS, station USW00003166. Records and recent months use complete months only.
How does June in Fullerton compare across California?
Across the 219 places PlainClimate covers in California, June normal highs run from 61°F in Bodega to 106°F in Needles; Fullerton's is 79°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.