American Fork climate

American Fork Weather in May

NOAA 1991-2020 normals for Pleasant Grove, 5.4 km from American Fork

Average highs run from 69°F on May 1 to 80°F on May 31, and lows from 44°F to 52°F. Normal precipitation for the month is 2.01 in over about 9 wet days.

May day by day

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

Normal daily high and low temperature at American Fork, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
75°F
Average low
48°F
Precipitation
2.01 in
Snowfall
0.3 in
Record high
98°FMay 29, 2003
Record low
27°FMay 1, 1918
Chance of a freeze
20%
Days of 90°F or more
1.0
Daylight
13 h 57 min to 14 h 51 min
Cloud cover
59%
Humidity
52%
Dew point
36°F
Wind
6.7 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
May 169°F44°F86°F 198527°F 191829%1%
May 269°F44°F89°F 198530°F 200829%1%
May 370°F45°F87°F 192430°F 191728%1%
May 470°F45°F89°F 200029°F 192828%1%
May 570°F45°F89°F 201730°F 191728%1%
May 671°F45°F87°F 199229°F 192428%1%
May 771°F46°F90°F 198929°F 192428%1%
May 872°F46°F88°F 198931°F 193028%1%
May 972°F46°F87°F 198930°F 199028%1%
May 1072°F47°F88°F 202529°F 191628%1%
May 1173°F47°F92°F 202630°F 192228%1%
May 1273°F47°F94°F 202629°F 191628%1%
May 1374°F47°F94°F 199630°F 191627%1%
May 1474°F48°F90°F 201329°F 202227%0%
May 1574°F48°F90°F 192730°F 191627%0%
May 1675°F48°F94°F 192733°F 191627%0%
May 1775°F48°F89°F 200633°F 191727%0%
May 1875°F49°F92°F 200936°F 198327%0%
May 1976°F49°F92°F 200933°F 192127%0%
May 2076°F49°F92°F 191935°F 198227%0%
May 2177°F49°F92°F 201234°F 192727%0%
May 2277°F50°F92°F 201233°F 192727%0%
May 2377°F50°F92°F 198432°F 193026%0%
May 2478°F50°F91°F 200333°F 192726%0%
May 2578°F50°F92°F 200132°F 201026%0%
May 2678°F50°F93°F 200132°F 192925%0%
May 2779°F51°F94°F 201431°F 192925%0%
May 2879°F51°F97°F 200335°F 192225%0%
May 2979°F51°F98°F 200329°F 192724%0%
May 3080°F51°F97°F 200330°F 192724%0%
May 3180°F52°F98°F 200229°F 191923%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at American Fork, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

May 1
sunrise 6:26 AM, sunset 8:23 PM
May 31
sunrise 6:00 AM, sunset 8:51 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00426919 (Pleasant Grove), public domain. Records: NOAA GHCN-Daily, station USC00427064, 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.