Fort St. John climate

Fort St. John Weather in April

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

Average highs run from 3°C on April 1 to 10°C on April 30, and lows from -7°C to -1°C. Normal precipitation for the month is 36 mm over about 9 wet days.

April day by day

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

Normal daily high and low temperature at Fort St. John, in °C, with the record for each date.-30-20-100102030151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

April at a glance

Average high
7°C
Average low
-4°C
Precipitation
36 mm
Reanalysis high
22°CApr 20, 2010
Reanalysis low
-23°CApr 3, 2020
Daylight
13 h 10 min to 15 h 22 min
Cloud cover
65%
Humidity
80%
Dew point
-2°C
Wind
7.9 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
Apr 13°C-7°C15°C 2016-22°C 202026%
Apr 23°C-6°C16°C 1992-21°C 200226%
Apr 33°C-6°C16°C 2004-23°C 202027%
Apr 43°C-6°C11°C 2006-19°C 202027%
Apr 54°C-6°C12°C 2006-20°C 201827%
Apr 64°C-6°C13°C 2006-20°C 201828%
Apr 74°C-5°C14°C 2016-17°C 201828%
Apr 84°C-5°C15°C 2006-15°C 199728%
Apr 95°C-5°C13°C 2004-15°C 200228%
Apr 105°C-5°C16°C 2004-12°C 199229%
Apr 115°C-4°C17°C 2004-14°C 202028%
Apr 126°C-4°C11°C 1991-10°C 201827%
Apr 136°C-4°C12°C 1992-12°C 200028%
Apr 147°C-4°C13°C 1992-15°C 200028%
Apr 157°C-3°C18°C 2010-13°C 200029%
Apr 167°C-3°C16°C 1992-10°C 200029%
Apr 177°C-3°C17°C 2010-10°C 200431%
Apr 188°C-3°C20°C 2016-11°C 200831%
Apr 198°C-3°C21°C 2010-12°C 200830%
Apr 208°C-2°C22°C 2010-10°C 200830%
Apr 219°C-2°C22°C 2005-10°C 200828%
Apr 229°C-2°C16°C 1991-8°C 201328%
Apr 239°C-2°C17°C 2006-7°C 200828%
Apr 2410°C-2°C21°C 2006-10°C 200829%
Apr 2510°C-1°C17°C 1992-12°C 200829%
Apr 2610°C-1°C16°C 2001-5°C 200230%
Apr 2710°C-1°C18°C 2018-5°C 200532%
Apr 2810°C-1°C18°C 2006-6°C 200532%
Apr 2910°C-1°C19°C 1994-7°C 201332%
Apr 3010°C-1°C21°C 1998-8°C 201332%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Fort St. John, in percent.0102030401102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (MST).

April 1
sunrise 6:33 AM, sunset 7:43 PM
April 30
sunrise 5:20 AM, sunset 8:42 PM

Every day of April: 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.