Longview weather in May: Longview, Washington: normal highs, lows, rain and records for May

Longview in May has a normal high of 69°F and a normal low of 45°F, a daily mean of 57°F, rising from 66°F on the 1st to 71°F by the 31st. Measurable precipitation falls on 14 days in a normal May, 3.11 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 20°C and low of 7°C, 79 mm of precipitation in May.

  • NOAA stationLongview
  • Station IDUSC00454769
  • Location46.15°N 122.92°W
  • Elevation12 ft (4 m)
  • Population38,294
  1. Jan 48° 35°
  2. Feb 52° 35°
  3. Mar 57° 38°
  4. Apr 62° 40°
  5. May 69° 45°
  6. Jun 73° 50°
  7. Jul 79° 53°
  8. Aug 80° 53°
  9. Sep 76° 50°
  10. Oct 64° 44°
  11. Nov 53° 39°
  12. Dec 47° 35°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Longview in May?

The normal high is 69°F and the normal low 45°F, for a daily mean of 57.1°F. May is 5.9°F warmer than April and 4.1°F cooler than June. May is the 5th warmest month of the year in Longview and the 8th wettest. Across the month the normal high rises 5°F, from 66°F on May 1 to 71°F on May 31. From one year to the next May's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Mays in three average between 55°F and 60°F.

Longview in May, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 54%).

Normal high and low on five days of May, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
May 166°F42°F54%32%
May 868°F44°F49%29%
May 1569°F45°F46%27%
May 2270°F47°F44%26%
May 3171°F48°F42%24%
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 31, coldest night May 1)
Longview: NOAA 1991-2020 daily normals for each day of May
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
May 166°F42°F54%32%14 h 20 min
May 266°F43°F53%32%14 h 20 min
May 366°F43°F52%31%14 h 20 min
May 467°F43°F52%31%14 h 30 min
May 567°F43°F51%31%14 h 30 min
May 667°F43°F50%30%14 h 30 min
May 767°F44°F49%30%14 h 40 min
May 868°F44°F49%29%14 h 40 min
May 968°F44°F48%29%14 h 40 min
May 1068°F44°F48%28%14 h 40 min
May 1168°F44°F47%28%14 h 50 min
May 1268°F45°F47%28%14 h 50 min
May 1369°F45°F46%28%14 h 50 min
May 1469°F45°F46%27%14 h 50 min
May 1569°F45°F46%27%15 h
May 1669°F45°F45%27%15 h
May 1769°F46°F45%27%15 h
May 1869°F46°F45%27%15 h
May 1970°F46°F45%27%15 h 10 min
May 2070°F46°F45%27%15 h 10 min
May 2170°F46°F44%26%15 h 10 min
May 2270°F47°F44%26%15 h 10 min
May 2370°F47°F44%26%15 h 10 min
May 2470°F47°F44%26%15 h 20 min
May 2570°F47°F43%26%15 h 20 min
May 2670°F47°F43%25%15 h 20 min
May 2771°F47°F43%25%15 h 20 min
May 2871°F48°F43%25%15 h 20 min
May 2971°F48°F42%25%15 h 30 min
May 3071°F48°F42%25%15 h 30 min
May 3171°F48°F42%24%15 h 30 min
Normal high
69°FMay average
Normal low
45°FMay average
Precipitation
3.11 inmonth total
Days with precipitation
140.01 inch or more
Daylight
14 h 20 min to 15 h 30 minMay 1 to May 31
Days at 70°F or more
13
Days at 80°F or more
4
Sunshine
66%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00454769; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Longview in May?

On a given May day the chance of 0.01 inch or more is 46% on average, highest around May 1 (54%). In all, 3.11 in falls on 14 days of a normal May.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00454769.

What are the records for May in Longview?

The warmest May temperature on this station's record (since 1925) is 99°F, on May 23, 2001; the coldest is 27°F, on May 8, 1930. The wettest May brought 7.02 in (2010).

The May mean against the 1991-2020 normal of 57.1°F: 2021 57.2°F (+0.1), 2022 55.3°F (−1.8), 2023 61.9°F (+4.8), 2024 56.3°F (−0.8), 2025 58.0°F (+0.9), 2026 60.2°F (+3.1). 4 of 6 ran warmer than normal.

Longview: May in recent years against the 1991-2020 normal
MayMeanAgainst normalPrecip.
202157.2°F+0.1°F1.67 in
202255.3°F−1.8°F5.11 in
202361.9°F+4.8°F1.12 in
202456.3°F−0.8°F3.18 in
202558.0°F+0.9°F1.64 in
202660.2°F+3.1°F2.00 in

Source: records: ACIS, station USC00454769; recent months: ACIS, station USC00454769. Records and recent months use complete months only.

How does May in Longview compare across Washington?

Across the 96 places PlainClimate covers in Washington, May normal highs run from 59°F in Long Beach to 77°F in Pasco; Longview's is 69°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places