Monrovia climate

Monrovia Weather in May

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

Average highs run from 29°C on May 1 to 28°C on May 31, and lows from 27°C to 26°C. Normal precipitation for the month is 146 mm over about 19 wet days.

May day by day

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

Normal daily high and low temperature at Monrovia, in °C, with the record for each date.2426283032151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

May at a glance

Average high
28°C
Average low
27°C
Precipitation
146 mm
Reanalysis high
31°CMay 6, 2017
Reanalysis low
25°CMay 8, 2009
Daylight
12 h 21 min to 12 h 28 min
Cloud cover
76%
Humidity
84%
Dew point
24°C
Wind
11.2 km/h

Every day of the month

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

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
May 129°C27°C30°C 201725°C 199952%
May 229°C27°C30°C 200325°C 199953%
May 329°C27°C30°C 200326°C 199254%
May 429°C27°C30°C 200826°C 200953%
May 529°C27°C30°C 201925°C 200252%
May 629°C27°C31°C 201726°C 200952%
May 729°C27°C31°C 201725°C 200952%
May 829°C27°C30°C 200325°C 200952%
May 929°C27°C30°C 201026°C 199853%
May 1029°C27°C30°C 201626°C 199754%
May 1129°C27°C30°C 201725°C 199754%
May 1229°C27°C30°C 200625°C 199756%
May 1328°C27°C30°C 201726°C 199957%
May 1428°C27°C30°C 199326°C 199458%
May 1528°C27°C30°C 201725°C 199959%
May 1628°C27°C30°C 200325°C 199960%
May 1728°C27°C30°C 201925°C 201362%
May 1828°C27°C30°C 200525°C 199963%
May 1928°C27°C30°C 200225°C 199263%
May 2028°C27°C30°C 201725°C 199262%
May 2128°C27°C30°C 200226°C 200062%
May 2228°C27°C30°C 201725°C 200061%
May 2328°C26°C30°C 201726°C 200060%
May 2428°C26°C29°C 201725°C 201561%
May 2528°C26°C30°C 200526°C 200661%
May 2628°C26°C29°C 200925°C 199762%
May 2728°C26°C30°C 201025°C 199262%
May 2828°C26°C30°C 200725°C 201862%
May 2928°C26°C29°C 200725°C 199262%
May 3028°C26°C30°C 200625°C 199162%
May 3128°C26°C29°C 200625°C 199262%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Monrovia, in percent.0204060801102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT).

May 1
sunrise 6:30 AM, sunset 6:51 PM
May 31
sunrise 6:27 AM, sunset 6:55 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.