San Timoteo Weather in May

NASA POWER reanalysis for the half-degree grid cell around San Timoteo, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 33°C on May 1 to 33°C on May 31, and lows from 26°C to 26°C. Normal precipitation for the month is 118 mm over about 19 wet days.

May day by day

The normal high and low for each date, in °C.

Normal low
Normal high
Reanalysis extreme high
Reanalysis extreme low

May at a glance

Average high: 33°C
Average low: 26°C
Precipitation: 118 mm
Reanalysis high: 38°CMay 10, 2020
Reanalysis low: 23°CMay 22, 2006
Daylight: 12 h 29 min to 12 h 40 min
Cloud cover: 73%
Humidity: 73%
Dew point: 24°C
Wind: 7.6 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

Date	Normal high	Normal low	Reanalysis high	Reanalysis low	Chance wet
May 1	33°C	26°C	37°C 2019	25°C 1994	55%
May 2	33°C	26°C	38°C 2019	24°C 1994	55%
May 3	33°C	26°C	37°C 2019	25°C 1999	55%
May 4	33°C	26°C	37°C 2015	25°C 1999	54%
May 5	33°C	26°C	38°C 2015	25°C 2009	55%
May 6	33°C	26°C	38°C 2019	25°C 1999	55%
May 7	33°C	26°C	38°C 2015	25°C 1995	55%
May 8	33°C	26°C	38°C 2020	25°C 2006	56%
May 9	33°C	26°C	38°C 2020	25°C 1996	55%
May 10	33°C	26°C	38°C 2020	25°C 2003	54%
May 11	33°C	26°C	37°C 2015	24°C 1996	54%
May 12	33°C	26°C	38°C 2015	25°C 1999	54%
May 13	33°C	26°C	37°C 2020	25°C 1995	55%
May 14	33°C	26°C	38°C 2015	25°C 1997	54%
May 15	33°C	26°C	36°C 2010	24°C 1999	54%
May 16	33°C	26°C	38°C 2020	24°C 1999	54%
May 17	33°C	26°C	38°C 2020	24°C 1999	54%
May 18	33°C	26°C	37°C 2020	24°C 1999	54%
May 19	33°C	26°C	38°C 2017	24°C 1999	54%
May 20	33°C	26°C	37°C 2017	25°C 1999	54%
May 21	33°C	26°C	37°C 2017	24°C 1999	55%
May 22	33°C	26°C	35°C 2012	23°C 2006	55%
May 23	33°C	26°C	37°C 2020	24°C 1999	56%
May 24	33°C	26°C	38°C 2020	24°C 1999	56%
May 25	33°C	26°C	37°C 2020	24°C 1999	57%
May 26	33°C	26°C	36°C 2003	24°C 1999	56%
May 27	33°C	26°C	35°C 2003	25°C 2011	55%
May 28	33°C	26°C	36°C 2012	24°C 2004	53%
May 29	33°C	26°C	35°C 2018	25°C 2014	52%
May 30	33°C	26°C	35°C 2005	24°C 2001	51%
May 31	33°C	26°C	36°C 2009	25°C 2001	51%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-4).

May 1: sunrise 6:27 AM, sunset 6:56 PM
May 31: sunrise 6:22 AM, sunset 7:02 PM

Every day of May: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.