Sequim weather in March: Sequim, Washington: normal highs, lows, rain and records for March

Sequim in March has a normal high of 51°F and a normal low of 35°F, a daily mean of 43°F, rising from 49°F on the 1st to 53°F by the 31st. Measurable precipitation falls on 15 days in a normal March, 1.49 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 11°C and low of 1°C, 38 mm of precipitation in March.

  • NOAA stationSequim (2 mi E)
  • Station IDUSC00457544
  • Location48.09°N 123.06°W
  • Elevation50 ft (15 m)
  • Population8,199
  1. Jan 46° 32°
  2. Feb 48° 32°
  3. Mar 51° 35°
  4. Apr 56° 38°
  5. May 62° 44°
  6. Jun 65° 49°
  7. Jul 70° 52°
  8. Aug 70° 51°
  9. Sep 66° 46°
  10. Oct 58° 40°
  11. Nov 50° 35°
  12. Dec 46° 32°

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

How warm is Sequim in March?

The normal high is 51°F and the normal low 35°F, for a daily mean of 42.9°F. March is 3.0°F warmer than February and 3.9°F cooler than April. March is the 8th warmest month of the year in Sequim and the 5th wettest. Across the month the normal high rises 4°F, from 49°F on March 1 to 53°F on March 31. From one year to the next March's mean temperature typically moves about 2.0°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 41°F and 45°F.

Sequim in March, 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 47%).

Normal high and low on five days of March, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
March 149°F33°F47%16%
March 850°F34°F47%16%
March 1551°F34°F47%16%
March 2252°F35°F46%17%
March 3153°F36°F45%17%
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
Sequim: NOAA 1991-2020 daily normals for each day of March
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
March 149°F33°F47%16%11 h
March 249°F33°F47%16%11 h
March 350°F33°F47%16%11 h 10 min
March 450°F33°F47%16%11 h 10 min
March 550°F33°F47%16%11 h 10 min
March 650°F33°F47%16%11 h 20 min
March 750°F34°F47%16%11 h 20 min
March 850°F34°F47%16%11 h 20 min
March 950°F34°F47%16%11 h 30 min
March 1051°F34°F47%16%11 h 30 min
March 1151°F34°F47%16%11 h 30 min
March 1251°F34°F47%16%11 h 40 min
March 1351°F34°F47%16%11 h 40 min
March 1451°F34°F47%16%11 h 40 min
March 1551°F34°F47%16%11 h 50 min
March 1651°F35°F47%16%11 h 50 min
March 1752°F35°F46%16%12 h
March 1852°F35°F46%16%12 h
March 1952°F35°F46%16%12 h
March 2052°F35°F46%16%12 h 10 min
March 2152°F35°F46%17%12 h 10 min
March 2252°F35°F46%17%12 h 10 min
March 2352°F35°F46%17%12 h 20 min
March 2452°F35°F46%17%12 h 20 min
March 2553°F36°F46%17%12 h 20 min
March 2653°F36°F46%17%12 h 30 min
March 2753°F36°F46%17%12 h 30 min
March 2853°F36°F46%17%12 h 30 min
March 2953°F36°F46%17%12 h 40 min
March 3053°F36°F46%17%12 h 40 min
March 3153°F36°F45%17%12 h 40 min
Normal high
51°FMarch average
Normal low
35°FMarch average
Precipitation
1.49 inmonth total
Days with precipitation
150.01 inch or more
Nights at 32°F or colder
13
Daylight
11 h to 12 h 40 minMarch 1 to March 31
Sunshine
61%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00457544; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Sequim in March?

On a given March day the chance of 0.01 inch or more is 47% on average, highest around March 1 (47%). In all, 1.49 in falls on 15 days of a normal March.

In a normal March in Sequim, 13 nights fall to freezing.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00457544.

What are the records for March in Sequim?

The warmest March temperature on this station's record (since 1980) is 76°F, on March 29, 2004; the coldest is 12°F, on March 3, 1989. The wettest March brought 2.69 in (2015); the snowiest, 4.5 inches (1989).

The March mean against the 1991-2020 normal of 42.9°F: 2021 41.3°F (−1.6), 2024 44.9°F (+2.0), 2025 45.2°F (+2.3), 2026 45.2°F (+2.3). 3 of 4 ran warmer than normal.

Sequim: March in recent years against the 1991-2020 normal
MarchMeanAgainst normalPrecip.
202141.3°F−1.6°F0.84 in
202444.9°F+2.0°F0.51 in
202545.2°F+2.3°F1.77 in
202645.2°F+2.3°F2.27 in

Source: records: ACIS, station USC00457544; recent months: ACIS, station USC00457544. Records and recent months use complete months only.

How does March in Sequim compare across Washington?

Across the 96 places PlainClimate covers in Washington, March normal highs run from 46°F in Bickleton to 59°F in Pasco; Sequim's is 51°F.

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

Other months and places