United States · 1991–2020

Best time to visit
Sumiton.

October leads for comfortable weather in Sumiton: typically 24.2°C by day, 9.2°C at night, with 93 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortOctober
Typical high24.2°C
Typical low9.2°C
Rain in October93 mm
Comfort

October

October · April · May

78climate match
Beach

August

August · September · June

68climate match
Outdoors

October

October · April · November

73climate match

The weakest month is January, scoring 10 against October’s 78days reach only 11.4°C, 13° below the 24°C the score treats as ideal, and nights drop to -0.8°C.

Month by month

The whole year,
without the guesswork.

The bars show the comfort score. Day and night temperatures come from daily observed highs and lows; rain is the historical monthly estimate.

Jan
1011.4° / -0.8°
Feb
2113.8° / 0.2°
Mar
4118.7° / 4.1°
Apr
6723.3° / 8.2°
May
6727.1° / 13.7°
Jun
5430.7° / 18.4°
Jul
4332.3° / 20.4°
Aug
4832.3° / 20°
Sep
6529.7° / 16.3°
Oct
7824.2° / 9.2°
Nov
4218° / 3.5°
Dec
1612.9° / 0.5°
Monthly climate evidence for Sumiton — daylight is calculated from latitude, everything else is measured
MonthDayNightRainWet daysDaylightComfortCoverage
January11.4°C-0.8°C142 mm8.510 h 0810Good coverage
February13.8°C0.2°C138 mm7.810 h 5521Good coverage
March18.7°C4.1°C152 mm9.511 h 5241Good coverage
April23.3°C8.2°C142 mm7.512 h 5967Good coverage
May27.1°C13.7°C147 mm8.313 h 5367Good coverage
June30.7°C18.4°C121 mm9.714 h 2354Good coverage
July32.3°C20.4°C133 mm9.714 h 1143Good coverage
August32.3°C20°C112 mm8.313 h 2448Good coverage
September29.7°C16.3°C115 mm6.212 h 2065Good coverage
October24.2°C9.2°C93 mm5.511 h 1778Good coverage
November18°C3.5°C135 mm7.210 h 2242Good coverage
December12.9°C0.5°C149 mm8.59 h 5516Good coverage
Records at JASPER, 1960–2017
MonthRecord highRecord lowWettest dayWettest / driest monthYears
January25.0°C30 Jan 2002-23.3°C21 Jan 198595 mm28 Jan 1994279 mm1962 · driest 8 mm in 201751
February28.9°C13 Feb 1962-16.7°C4 Feb 1996119 mm28 Feb 2009372 mm1961 · driest 31 mm in 197851
March32.2°C12 Mar 1967-14.4°C3 Mar 1980134 mm28 Mar 1994389 mm1980 · driest 18 mm in 200751
April34.4°C9 Apr 1965-3.9°C11 Apr 1973149 mm13 Apr 1979424 mm1964 · driest 1 mm in 201751
May35.6°C18 May 1962-0.6°C4 May 1971155 mm3 May 1997317 mm2003 · driest 14 mm in 200750
June38.9°C21 Jun 19644.4°C1 Jun 196670 mm12 Jun 1995294 mm1997 · driest 8 mm in 196851
July42.2°C17 Jul 19809.4°C15 Jul 196791 mm27 Jul 1985297 mm2005 · driest 15 mm in 199351
August40.6°C16 Aug 200710.6°C31 Aug 196891 mm3 Aug 1966217 mm1970 · driest 0 mm in 199951
September37.8°C5 Sep 19900.0°C30 Sep 1967116 mm22 Sep 2003270 mm1988 · driest 2 mm in 198452
October33.3°C12 Oct 1963-5.6°C26 Oct 1962119 mm17 Oct 2006251 mm2009 · driest 0 mm in 196352
November30.0°C1 Nov 2016-12.2°C24 Nov 197099 mm4 Nov 2004280 mm2004 · driest 12 mm in 201451
December25.6°C6 Dec 2013-18.9°C13 Dec 1962206 mm26 Dec 1973323 mm1961 · driest 35 mm in 196550
Typical days per month at JASPER, 1991–2020
MonthDays 25°C+Days 30°C+Frost nightsHeavy rain (10 mm+)
January00174
February<10144
March5<184
April13224
May22804
June272004
July292505
August282403
September251503
October15312
November2<194
December<10164
How often, not how much — every day in JASPER’s record sorted by what it was actually like, rather than averaged
MonthWarm & dry daysWet daysWashoutsWeek with 3+ wet daysDaytime mean has ranged
January5%31%15%38%8.2–14.1°C
February13%30%15%35%10.4–16.6°C
March34%31%16%35%16.0–21.6°C
April60%27%14%30%21.3–25.8°C
May71%27%14%28%25.7–29.0°C
June71%28%13%33%28.8–32.6°C
July69%31%15%36%30.7–34.2°C
August75%25%10%26%30.3–34.6°C
September78%22%9%21%27.2–31.4°C
October67%18%9%18%21.8–26.1°C
November30%26%13%30%15.2–20.7°C
December8%28%15%34%10.7–15.4°C

A warm and dry day reaches 20°C with under 1 mm of rain; a wet day gets 1 mm or more; a washout gets 10 mm or more. The week column is the share of seven-day stretches in that month, across the station’s whole daily record, that contained three or more wet days — the odds a week-long trip is rained on repeatedly, counted rather than modelled. The last column is the 10th to 90th percentile of that month’s daytime average across individual years: a narrow band means the average is what you will get, a wide one means the average is a midpoint between years that felt quite different.

1961Each stripe is one year’s mean temperature against the 43-year average. Warmest: 2016. Coolest: 1976.2016

The evidence behind this page

Nearby, measured,
and named.

Place identity
GeoNames 4092333
NOAA station
USC00014226 · JASPER
Station distance
29.6 km from the place centre
Climate period
1991–2020
Minimum month coverage
21 usable years
Daylight
Calculated from latitude 33.76°, mid-month, sunrise to sunset including refraction. Not a station measurement.
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

These places read the same station, so their numbers are identical — distance from JASPER is what differs

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