Oakland weather in May: Oakland, California: normal highs, lows, rain and records for May
Oakland in May has a normal high of 68°F and a normal low of 52°F, a daily mean of 60°F, rising from 67°F on the 1st to 70°F by the 31st. Measurable precipitation falls on 3 days in a normal May, 0.63 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 20°C and low of 11°C, 16 mm of precipitation in May.
- NOAA stationOakland Metro International Airport
- Station IDUSW00023230
- Location37.72°N 122.22°W
- Elevation6 ft (2 m)
- From the center3 miles
- Population443,554
- Jan 58° 42°
- Feb 60° 45°
- Mar 63° 47°
- Apr 66° 49°
- May 68° 52°
- Jun 71° 54°
- Jul 72° 56°
- Aug 72° 57°
- Sep 74° 56°
- Oct 72° 51°
- Nov 64° 46°
- Dec 58° 42°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Oakland in May?
The normal high is 68°F and the normal low 52°F, for a daily mean of 59.9°F. May is 2.5°F warmer than April and 2.8°F cooler than June. May is the 6th warmest month of the year in Oakland and the 8th wettest. Across the month the normal high rises 3°F, from 67°F on May 1 to 70°F on May 31. From one year to the next May's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Mays in three average between 58°F and 62°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 14%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 67°F | 51°F | 14% | 7% |
| May 8 | 67°F | 51°F | 12% | 5% |
| May 15 | 68°F | 52°F | 10% | 5% |
| May 22 | 68°F | 52°F | 9% | 4% |
| May 31 | 70°F | 53°F | 7% | 3% |
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 31, coldest night May 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| May 1 | 67°F | 51°F | 14% | 7% | 13 h 40 min |
| May 2 | 67°F | 51°F | 14% | 7% | 13 h 50 min |
| May 3 | 67°F | 51°F | 13% | 6% | 13 h 50 min |
| May 4 | 67°F | 51°F | 13% | 6% | 13 h 50 min |
| May 5 | 67°F | 51°F | 13% | 6% | 13 h 50 min |
| May 6 | 67°F | 51°F | 12% | 6% | 13 h 50 min |
| May 7 | 67°F | 51°F | 12% | 6% | 14 h |
| May 8 | 67°F | 51°F | 12% | 5% | 14 h |
| May 9 | 67°F | 51°F | 11% | 5% | 14 h |
| May 10 | 67°F | 52°F | 11% | 5% | 14 h |
| May 11 | 67°F | 52°F | 11% | 5% | 14 h |
| May 12 | 67°F | 52°F | 11% | 5% | 14 h 10 min |
| May 13 | 68°F | 52°F | 11% | 5% | 14 h 10 min |
| May 14 | 68°F | 52°F | 10% | 5% | 14 h 10 min |
| May 15 | 68°F | 52°F | 10% | 5% | 14 h 10 min |
| May 16 | 68°F | 52°F | 10% | 5% | 14 h 10 min |
| May 17 | 68°F | 52°F | 10% | 5% | 14 h 10 min |
| May 18 | 68°F | 52°F | 10% | 5% | 14 h 20 min |
| May 19 | 68°F | 52°F | 9% | 4% | 14 h 20 min |
| May 20 | 68°F | 52°F | 9% | 4% | 14 h 20 min |
| May 21 | 68°F | 52°F | 9% | 4% | 14 h 20 min |
| May 22 | 68°F | 52°F | 9% | 4% | 14 h 20 min |
| May 23 | 69°F | 53°F | 8% | 4% | 14 h 20 min |
| May 24 | 69°F | 53°F | 8% | 4% | 14 h 20 min |
| May 25 | 69°F | 53°F | 8% | 4% | 14 h 30 min |
| May 26 | 69°F | 53°F | 8% | 4% | 14 h 30 min |
| May 27 | 69°F | 53°F | 7% | 4% | 14 h 30 min |
| May 28 | 69°F | 53°F | 7% | 3% | 14 h 30 min |
| May 29 | 69°F | 53°F | 7% | 3% | 14 h 30 min |
| May 30 | 70°F | 53°F | 7% | 3% | 14 h 30 min |
| May 31 | 70°F | 53°F | 7% | 3% | 14 h 30 min |
- Normal high
- 68°FMay average
- Normal low
- 52°FMay average
- Precipitation
- 0.63 inmonth total
- Days with precipitation
- 30.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 13 h 40 min to 14 h 30 minMay 1 to May 31
- Days at 70°F or more
- 9
- Days at 80°F or more
- 3
- Sunshine
- 81%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023230; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Oakland in May?
On a given May day the chance of 0.01 inch or more is 10% on average, highest around May 1 (14%). In all, 0.63 in falls on 3 days of a normal May.
In a normal May in Oakland, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023230.
How humid and windy is Oakland in May?
At 3 p.m. the normal temperature is 66°F with 60% relative humidity and a dew point of 52°F; at 6 a.m. it is 56°F with 84% humidity. The wind averages 10.6 mph, most often from the west in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 56°F | 51°F | 84% | 7.4 mph | – |
| 9 a.m. | 60°F | 51°F | 72% | 8.2 mph | – |
| noon | 66°F | 52°F | 60% | 12.0 mph | 60% |
| 3 p.m. | 66°F | 52°F | 60% | 15.7 mph | 59% |
| 6 p.m. | 62°F | 52°F | 69% | 14.5 mph | 57% |
| 9 p.m. | 57°F | 51°F | 80% | 10.4 mph | 56% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023230. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for May in Oakland?
The warmest May temperature on this station's record (since 1948) is 98°F, on May 29, 1975; the coldest is 39°F, on May 4, 1950. The wettest May brought 3.42 in (1957).
The May mean against the 1991-2020 normal of 59.9°F: 2021 59.3°F (−0.6), 2022 59.6°F (−0.3), 2023 58.5°F (−1.4), 2024 59.5°F (−0.4), 2025 60.2°F (+0.3), 2026 60.7°F (+0.8). 2 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 59.3°F | −0.6°F | 0.01 in |
| 2022 | 59.6°F | −0.3°F | 0.00 in |
| 2023 | 58.5°F | −1.4°F | 0.98 in |
| 2024 | 59.5°F | −0.4°F | 0.73 in |
| 2025 | 60.2°F | +0.3°F | 0.19 in |
| 2026 | 60.7°F | +0.8°F | 0.39 in |
Source: records: ACIS, station USW00023230; recent months: ACIS, station USW00023230. Records and recent months use complete months only.
How does May in Oakland compare across California?
Across the 219 places PlainClimate covers in California, May normal highs run from 58°F in Tahoma to 96°F in Needles; Oakland's is 68°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.