Black Diamond climate

Black Diamond Weather in April

NOAA 1991-2020 normals for Palmer 3 Ese, 11.4 km from Black Diamond

Average highs run from 53°F on April 1 to 60°F on April 30, and lows from 37°F to 41°F. Normal precipitation for the month is 7.75 in over about 20 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 Black Diamond, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
57°F
Average low
39°F
Precipitation
7.75 in
Snowfall
0.4 in
Record high
87°FApr 18, 2016
Record low
31°FApr 2, 2008
Chance of a freeze
50%
Daylight
12 h 52 min to 14 h 25 min
Cloud cover
70%
Humidity
83%
Dew point
39°F
Wind
4.0 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 153°F37°F70°F 201632°F 200869%2%
Apr 254°F37°F70°F 202431°F 200869%2%
Apr 354°F37°F74°F 200431°F 200769%2%
Apr 454°F38°F65°F 200233°F 200969%2%
Apr 554°F38°F72°F 202534°F 202169%2%
Apr 654°F38°F78°F 200734°F 199969%2%
Apr 754°F38°F77°F 201633°F 201168%2%
Apr 855°F38°F75°F 201632°F 201168%2%
Apr 955°F38°F68°F 200434°F 200868%2%
Apr 1055°F38°F75°F 200433°F 201068%2%
Apr 1155°F38°F82°F 200431°F 202168%2%
Apr 1255°F38°F80°F 200833°F 202067%2%
Apr 1356°F38°F68°F 201433°F 202067%1%
Apr 1456°F39°F70°F 201434°F 199967%1%
Apr 1556°F39°F76°F 199935°F 200966%1%
Apr 1656°F39°F83°F 199936°F 201366%1%
Apr 1757°F39°F78°F 201635°F 202466%1%
Apr 1857°F39°F87°F 201636°F 202465%1%
Apr 1957°F39°F81°F 201635°F 200865%1%
Apr 2058°F39°F81°F 201633°F 200864%1%
Apr 2158°F40°F74°F 201636°F 200864%1%
Apr 2258°F40°F79°F 200535°F 201364%1%
Apr 2358°F40°F72°F 202435°F 201163%1%
Apr 2459°F40°F80°F 201835°F 200063%1%
Apr 2559°F40°F75°F 201839°F 200263%1%
Apr 2659°F40°F82°F 201834°F 200862%1%
Apr 2760°F41°F76°F 201536°F 201162%1%
Apr 2860°F41°F79°F 202336°F 201962%0%
Apr 2960°F41°F79°F 202338°F 200661%0%
Apr 3060°F41°F82°F 201436°F 200661%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Black Diamond, in percent, and of at least 0.1 inch of snowfall.0204060801102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

April 1
sunrise 6:46 AM, sunset 7:38 PM
April 30
sunrise 5:53 AM, sunset 8:18 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00456295 (Palmer 3 Ese), public domain. Records: NOAA GHCN-Daily, station USW00094248, 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.