Osa climate

Osa Weather in August

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

Average highs run from 22°C on August 1 to 17°C on August 31, and lows from 13°C to 9°C. Normal precipitation for the month is 81 mm over about 16 wet days.

August day by day

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

Normal daily high and low temperature at Osa, in °C, with the record for each date.010203040151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

August at a glance

Average high
19°C
Average low
11°C
Precipitation
81 mm
Reanalysis high
34°CAug 1, 2010
Reanalysis low
2°CAug 31, 1993
Daylight
16 h 18 min to 14 h 02 min
Cloud cover
68%
Humidity
83%
Dew point
12°C
Wind
10.4 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
Aug 122°C13°C34°C 20106°C 200651%
Aug 222°C13°C30°C 19988°C 200651%
Aug 321°C13°C29°C 20167°C 201151%
Aug 421°C13°C28°C 20167°C 201851%
Aug 521°C13°C31°C 20107°C 200850%
Aug 621°C12°C32°C 20106°C 200848%
Aug 721°C12°C31°C 20106°C 200247%
Aug 821°C12°C27°C 20147°C 200248%
Aug 921°C12°C28°C 20167°C 201948%
Aug 1020°C12°C29°C 20106°C 199150%
Aug 1120°C12°C30°C 20105°C 199150%
Aug 1220°C12°C29°C 20106°C 199151%
Aug 1320°C11°C30°C 20116°C 200752%
Aug 1420°C11°C30°C 20114°C 199752%
Aug 1520°C11°C28°C 20166°C 200252%
Aug 1620°C11°C27°C 20136°C 200253%
Aug 1720°C11°C26°C 20077°C 201054%
Aug 1819°C11°C30°C 20075°C 200254%
Aug 1919°C11°C27°C 20164°C 200253%
Aug 2019°C11°C27°C 20165°C 201053%
Aug 2119°C10°C26°C 20164°C 201154%
Aug 2219°C10°C27°C 20164°C 201054%
Aug 2318°C10°C27°C 20044°C 201554%
Aug 2418°C10°C26°C 20044°C 201553%
Aug 2518°C10°C28°C 20164°C 199652%
Aug 2618°C10°C24°C 20083°C 199651%
Aug 2718°C9°C24°C 19954°C 199649%
Aug 2817°C9°C26°C 19955°C 199448%
Aug 2917°C9°C26°C 19955°C 199447%
Aug 3017°C9°C27°C 19953°C 199646%
Aug 3117°C9°C28°C 19952°C 199344%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Osa, in percent.02040601102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+5).

August 1
sunrise 5:15 AM, sunset 9:33 PM
August 31
sunrise 6:17 AM, sunset 8:19 PM

Every day of August: 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.