Paso Robles weather in May: Paso Robles, California: normal highs, lows, rain and records for May

Paso Robles in May has a normal high of 81°F and a normal low of 46°F, a daily mean of 63°F, rising from 77°F on the 1st to 85°F by the 31st. Measurable precipitation falls on 2 days in a normal May, 0.31 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 27°C and low of 8°C, 8 mm of precipitation in May.

  • NOAA stationPaso Robles Municipal Airport
  • Station IDUSW00093209
  • Location35.67°N 120.63°W
  • Elevation810 ft (247 m)
  • Population31,568
  1. Jan 61° 35°
  2. Feb 63° 37°
  3. Mar 68° 40°
  4. Apr 74° 41°
  5. May 81° 46°
  6. Jun 89° 50°
  7. Jul 93° 54°
  8. Aug 94° 53°
  9. Sep 90° 50°
  10. Oct 81° 44°
  11. Nov 69° 37°
  12. Dec 60° 33°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Paso Robles in May?

The normal high is 81°F and the normal low 46°F, for a daily mean of 63.3°F. May is 6.1°F warmer than April and 5.8°F cooler than June. May is the 5th warmest month of the year in Paso Robles and the 8th wettest. Across the month the normal high rises 8°F, from 77°F on May 1 to 85°F on May 31. From one year to the next May's mean temperature typically moves about 3.0°F either way (NOAA's standard deviation), so roughly two Mays in three average between 60°F and 66°F.

Paso Robles in May, day by day: normal high and low

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 9%).

Normal high and low on five days of May, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
May 177°F43°F9%4%
May 879°F44°F7%3%
May 1581°F46°F6%3%
May 2283°F47°F5%2%
May 3185°F48°F3%1%
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 31, coldest night May 1)
Paso Robles: NOAA 1991-2020 daily normals for each day of May
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
May 177°F43°F9%4%13 h 40 min
May 278°F43°F8%4%13 h 40 min
May 378°F43°F8%4%13 h 40 min
May 478°F44°F8%3%13 h 40 min
May 578°F44°F8%3%13 h 40 min
May 679°F44°F7%3%13 h 50 min
May 779°F44°F7%3%13 h 50 min
May 879°F44°F7%3%13 h 50 min
May 979°F45°F7%3%13 h 50 min
May 1080°F45°F6%3%13 h 50 min
May 1180°F45°F6%3%13 h 50 min
May 1280°F45°F6%3%14 h
May 1380°F45°F6%3%14 h
May 1481°F46°F6%3%14 h
May 1581°F46°F6%3%14 h
May 1681°F46°F6%3%14 h
May 1781°F46°F5%3%14 h
May 1882°F46°F5%2%14 h 10 min
May 1982°F46°F5%2%14 h 10 min
May 2082°F47°F5%2%14 h 10 min
May 2182°F47°F5%2%14 h 10 min
May 2283°F47°F5%2%14 h 10 min
May 2383°F47°F4%2%14 h 10 min
May 2483°F47°F4%2%14 h 10 min
May 2583°F47°F4%2%14 h 20 min
May 2684°F47°F4%2%14 h 20 min
May 2784°F47°F4%2%14 h 20 min
May 2884°F48°F4%2%14 h 20 min
May 2984°F48°F4%1%14 h 20 min
May 3085°F48°F3%1%14 h 20 min
May 3185°F48°F3%1%14 h 20 min
Normal high
81°FMay average
Normal low
46°FMay average
Precipitation
0.31 inmonth total
Days with precipitation
20.01 inch or more
Days at 90°F or more
7
Daylight
13 h 40 min to 14 h 20 minMay 1 to May 31
Days at 70°F or more
27
Days at 80°F or more
18
Sunshine
91%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00093209; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Paso Robles in May?

On a given May day the chance of 0.01 inch or more is 6% on average, highest around May 1 (9%). In all, 0.31 in falls on 2 days of a normal May.

In a normal May in Paso Robles, 7 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093209.

How humid and windy is Paso Robles in May?

At 3 p.m. the normal temperature is 81°F with 28% relative humidity and a dew point of 45°F; at 6 a.m. it is 52°F with 81% humidity. The wind averages 9.2 mph, most often from the southwest in the afternoon. A dew point under 50°F feels dry.

A normal May day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.52°F47°F81%4.1 mph62%
9 a.m.65°F48°F54%6.3 mph79%
noon78°F45°F30%9.0 mph86%
3 p.m.81°F45°F28%14.2 mph84%
6 p.m.73°F46°F38%15.4 mph88%
9 p.m.62°F47°F58%12.0 mph91%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00093209. 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 Paso Robles?

The warmest May temperature on this station's record (since 1952) is 108°F, on May 22, 2000; the coldest is 30°F, on May 18, 1974. The wettest May brought 2.15 in (1998).

The May mean against the 1991-2020 normal of 63.3°F: 2021 65.5°F (+2.3), 2022 65.3°F (+2.0), 2023 62.1°F (−1.2), 2024 61.7°F (−1.6), 2025 65.5°F (+2.2), 2026 63.7°F (+0.4). 4 of 6 ran warmer than normal.

Paso Robles: May in recent years against the 1991-2020 normal
MayMeanAgainst normalPrecip.
202165.5°F+2.3°F0.00 in
202265.3°F+2.0°F0.00 in
202362.1°F−1.2°F0.37 in
202461.7°F−1.6°F0.06 in
202565.5°F+2.2°F0.00 in
202663.7°F+0.4°F0.19 in

Source: records: ACIS, station USW00093209; recent months: ACIS, station USW00093209. Records and recent months use complete months only.

How does May in Paso Robles 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; Paso Robles's is 81°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places