Watsonville weather in May: Watsonville, California: normal highs, lows, rain and records for May
Watsonville in May has a normal high of 69°F and a normal low of 48°F, a daily mean of 58°F, rising from 68°F on the 1st to 71°F by the 31st. Measurable precipitation falls on 3 days in a normal May, 0.88 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 21°C and low of 9°C, 22 mm of precipitation in May.
- NOAA stationWatsonville Municipal Airport
- Station IDUSW00023277
- Location36.94°N 121.79°W
- Elevation160 ft (49 m)
- From the center1 miles
- Population51,320
- Jan 61° 40°
- Feb 62° 42°
- Mar 64° 43°
- Apr 66° 45°
- May 69° 48°
- Jun 72° 50°
- Jul 72° 53°
- Aug 73° 53°
- Sep 75° 52°
- Oct 74° 48°
- Nov 67° 43°
- Dec 61° 39°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Watsonville in May?
The normal high is 69°F and the normal low 48°F, for a daily mean of 58.3°F. May is 2.8°F warmer than April and 2.8°F cooler than June. May is the 6th warmest month of the year in Watsonville and the 7th wettest. Across the month the normal high rises 3°F, from 68°F on May 1 to 71°F on May 31. From one year to the next May's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Mays in three average between 56°F and 60°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 15%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 68°F | 46°F | 15% | 7% |
| May 8 | 68°F | 47°F | 12% | 6% |
| May 15 | 69°F | 48°F | 11% | 5% |
| May 22 | 70°F | 48°F | 10% | 4% |
| May 31 | 71°F | 49°F | 8% | 2% |
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 | 68°F | 46°F | 15% | 7% | 13 h 40 min |
| May 2 | 68°F | 46°F | 15% | 7% | 13 h 40 min |
| May 3 | 68°F | 47°F | 14% | 7% | 13 h 40 min |
| May 4 | 68°F | 47°F | 14% | 6% | 13 h 50 min |
| May 5 | 68°F | 47°F | 13% | 6% | 13 h 50 min |
| May 6 | 68°F | 47°F | 13% | 6% | 13 h 50 min |
| May 7 | 68°F | 47°F | 13% | 6% | 13 h 50 min |
| May 8 | 68°F | 47°F | 12% | 6% | 13 h 50 min |
| May 9 | 68°F | 47°F | 12% | 5% | 14 h |
| May 10 | 68°F | 47°F | 12% | 5% | 14 h |
| May 11 | 68°F | 47°F | 12% | 5% | 14 h |
| May 12 | 69°F | 47°F | 11% | 5% | 14 h |
| May 13 | 69°F | 48°F | 11% | 5% | 14 h |
| May 14 | 69°F | 48°F | 11% | 5% | 14 h 10 min |
| May 15 | 69°F | 48°F | 11% | 5% | 14 h 10 min |
| May 16 | 69°F | 48°F | 11% | 5% | 14 h 10 min |
| May 17 | 69°F | 48°F | 11% | 4% | 14 h 10 min |
| May 18 | 69°F | 48°F | 10% | 4% | 14 h 10 min |
| May 19 | 69°F | 48°F | 10% | 4% | 14 h 10 min |
| May 20 | 69°F | 48°F | 10% | 4% | 14 h 10 min |
| May 21 | 70°F | 48°F | 10% | 4% | 14 h 20 min |
| May 22 | 70°F | 48°F | 10% | 4% | 14 h 20 min |
| May 23 | 70°F | 48°F | 9% | 3% | 14 h 20 min |
| May 24 | 70°F | 48°F | 9% | 3% | 14 h 20 min |
| May 25 | 70°F | 49°F | 9% | 3% | 14 h 20 min |
| May 26 | 70°F | 49°F | 9% | 3% | 14 h 20 min |
| May 27 | 70°F | 49°F | 9% | 3% | 14 h 20 min |
| May 28 | 70°F | 49°F | 9% | 3% | 14 h 30 min |
| May 29 | 71°F | 49°F | 8% | 3% | 14 h 30 min |
| May 30 | 71°F | 49°F | 8% | 2% | 14 h 30 min |
| May 31 | 71°F | 49°F | 8% | 2% | 14 h 30 min |
- Normal high
- 69°FMay average
- Normal low
- 48°FMay average
- Precipitation
- 0.88 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
- 12
- Days at 80°F or more
- 2
- Sunshine
- 88%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023277; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Watsonville in May?
On a given May day the chance of 0.01 inch or more is 11% on average, highest around May 1 (15%). In all, 0.88 in falls on 3 days of a normal May.
In a normal May in Watsonville, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023277.
What are the records for May in Watsonville?
The warmest May temperature on this station's record (since 1945) is 97°F, on May 16, 2008; the coldest is 36°F, on May 10, 2022. The wettest May brought 2.26 in (2019).
The May mean against the 1991-2020 normal of 58.3°F: 2021 58.3°F (at normal), 2022 57.5°F (−0.8), 2023 56.9°F (−1.4), 2024 56.8°F (−1.5), 2025 59.1°F (+0.8), 2026 59.4°F (+1.1). 2 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 58.3°F | at normal | 0.02 in |
| 2022 | 57.5°F | −0.8°F | 0.00 in |
| 2023 | 56.9°F | −1.4°F | 1.25 in |
| 2024 | 56.8°F | −1.5°F | 0.73 in |
| 2025 | 59.1°F | +0.8°F | 0.02 in |
| 2026 | 59.4°F | +1.1°F | 0.62 in |
Source: records: ACIS, station USW00023277; recent months: ACIS, station USW00023277. Records and recent months use complete months only.
How does May in Watsonville 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; Watsonville's is 69°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.