Santa Helena climate

Santa Helena Weather in February

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

Average highs run from 31°C on February 1 to 31°C on February 28, and lows from 25°C to 24°C. Normal precipitation for the month is 141 mm over about 17 wet days.

February day by day

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

Normal daily high and low temperature at Santa Helena, in °C, with the record for each date.1520253035401510152025
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

February at a glance

Average high
31°C
Average low
24°C
Precipitation
141 mm
Reanalysis high
38°CFeb 8, 2012
Reanalysis low
17°CFeb 23, 2020
Daylight
13 h 13 min to 12 h 37 min
Cloud cover
67%
Humidity
69%
Dew point
21°C
Wind
10.1 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
Feb 131°C25°C36°C 201922°C 199156%
Feb 231°C25°C38°C 201921°C 200256%
Feb 331°C25°C37°C 201419°C 200257%
Feb 431°C25°C37°C 201420°C 200258%
Feb 531°C25°C37°C 201421°C 200858%
Feb 631°C25°C38°C 201422°C 199559%
Feb 731°C25°C38°C 201221°C 200258%
Feb 831°C25°C38°C 201219°C 199358%
Feb 931°C24°C36°C 201918°C 199358%
Feb 1031°C24°C37°C 201419°C 199358%
Feb 1131°C24°C37°C 201420°C 199658%
Feb 1231°C24°C37°C 201418°C 199659%
Feb 1331°C24°C35°C 201220°C 199660%
Feb 1431°C24°C35°C 201221°C 199160%
Feb 1531°C24°C35°C 200519°C 199162%
Feb 1631°C24°C36°C 200519°C 199162%
Feb 1731°C24°C36°C 200521°C 199162%
Feb 1831°C24°C37°C 200520°C 199161%
Feb 1931°C24°C37°C 200520°C 199160%
Feb 2031°C24°C38°C 200521°C 199160%
Feb 2131°C24°C38°C 200522°C 200360%
Feb 2231°C24°C37°C 200518°C 202060%
Feb 2331°C24°C38°C 200517°C 202061%
Feb 2431°C24°C35°C 201921°C 200461%
Feb 2531°C24°C34°C 199118°C 200661%
Feb 2631°C24°C34°C 199120°C 200660%
Feb 2731°C24°C35°C 199120°C 202058%
Feb 2831°C24°C37°C 200520°C 202056%
Feb 2931°C24°C36°C 200421°C 199255%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Santa Helena, in percent.02040608011020
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-3).

February 1
sunrise 6:14 AM, sunset 7:27 PM
February 28
sunrise 6:31 AM, sunset 7:08 PM

Every day of February: 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.