Yukon-Koyukuk Census Area climate

Yukon-Koyukuk Census Area Weather in April

NOAA 1991-2020 normals for Tanana Calhoun Mem AP, 64.9 km from Yukon-Koyukuk Census Area

Average highs run from 28°F on April 1 to 51°F on April 30, and lows from 2°F to 27°F. Normal precipitation for the month is 0.30 in over about 4 wet days.

April day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Yukon-Koyukuk Census Area, in °F, with the record for each date.-50-250255075151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
39°F
Average low
16°F
Precipitation
0.30 in
Snowfall
2.5 in
Record high
70°FApr 30, 1960
Record low
-40°FApr 5, 1920
Chance of a freeze
100%
Daylight
13 h 43 min to 17 h 12 min
Cloud cover
52%
Humidity
92%
Dew point
19°F
Wind
8.9 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Apr 128°F2°F51°F 2019-39°F 193913%16%
Apr 228°F3°F50°F 1980-33°F 198513%16%
Apr 329°F4°F55°F 1940-29°F 192912%15%
Apr 430°F5°F49°F 1940-26°F 193012%15%
Apr 531°F6°F53°F 1940-40°F 192012%15%
Apr 631°F7°F48°F 1919-39°F 190312%14%
Apr 732°F8°F51°F 2007-34°F 191812%14%
Apr 833°F9°F52°F 1990-29°F 202312%14%
Apr 934°F10°F54°F 1997-34°F 202112%13%
Apr 1035°F11°F55°F 1907-33°F 198512%13%
Apr 1136°F12°F54°F 1969-38°F 190312%13%
Apr 1237°F13°F59°F 1907-30°F 190312%12%
Apr 1337°F14°F58°F 1907-20°F 201312%12%
Apr 1438°F15°F56°F 1907-25°F 196412%11%
Apr 1539°F16°F65°F 1907-17°F 197913%11%
Apr 1640°F17°F60°F 1907-15°F 192413%11%
Apr 1741°F18°F57°F 1998-20°F 194813%10%
Apr 1842°F19°F60°F 1905-23°F 194813%10%
Apr 1942°F19°F61°F 1999-15°F 195913%9%
Apr 2043°F20°F63°F 1905-20°F 193713%9%
Apr 2144°F21°F61°F 1940-30°F 192413%8%
Apr 2245°F22°F61°F 2007-32°F 192413%8%
Apr 2346°F23°F63°F 1940-15°F 194814%8%
Apr 2446°F23°F63°F 1940-15°F 194814%7%
Apr 2547°F24°F64°F 1940-13°F 192314%7%
Apr 2648°F25°F63°F 1940-4°F 192115%6%
Apr 2749°F25°F66°F 19580°F 192115%6%
Apr 2849°F26°F67°F 20100°F 191815%6%
Apr 2950°F27°F66°F 2010-6°F 191816%5%
Apr 3051°F27°F70°F 1960-2°F 193716%5%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Yukon-Koyukuk Census Area, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (AKDT).

April 1
sunrise 7:24 AM, sunset 9:07 PM
April 30
sunrise 5:33 AM, sunset 10:45 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00026529 (Tanana Calhoun Mem AP), public domain. Records: NOAA GHCN-Daily, station USW00026529, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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.