United States · 1991–2020

Best time to visit
Louis.

October leads for comfortable weather in Louis: typically 24.6°C by day, 8.9°C at night, with 61 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortOctober
Typical high24.6°C
Typical low8.9°C
Rain in October61 mm
Comfort

October

October · April · May

82climate match
Beach

July

July · September · August

73climate match
Outdoors

March

March · October · November

83climate match

The weakest month is January, scoring 25 against October’s 82days reach only 11.6°C, 12° below the 24°C the score treats as ideal, and nights drop to -3.8°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
2511.6° / -3.8°
Feb
3814.3° / -1.6°
Mar
6019.2° / 2.7°
Apr
8024.2° / 7.3°
May
7228.8° / 13.6°
Jun
5033.7° / 18.6°
Jul
4536.2° / 20.8°
Aug
4635.4° / 20.1°
Sep
7030.7° / 15.7°
Oct
8224.6° / 8.9°
Nov
5517.5° / 2.1°
Dec
2912.1° / -2.9°
Monthly climate evidence for Louis — daylight is calculated from latitude, everything else is measured
MonthDayNightRainWet daysDaylightComfortCoverage
January11.6°C-3.8°C21 mm2.610 h 0425Good coverage
February14.3°C-1.6°C26 mm3.110 h 5338Good coverage
March19.2°C2.7°C39 mm4.111 h 5260Good coverage
April24.2°C7.3°C63 mm4.413 h 0080Good coverage
May28.8°C13.6°C83 mm6.113 h 5772Good coverage
June33.7°C18.6°C96 mm6.714 h 2750Good coverage
July36.2°C20.8°C56 mm4.714 h 1545Good coverage
August35.4°C20.1°C76 mm5.213 h 2746Good coverage
September30.7°C15.7°C72 mm4.912 h 2170Good coverage
October24.6°C8.9°C61 mm4.511 h 1582Good coverage
November17.5°C2.1°C34 mm3.610 h 1855Good coverage
December12.1°C-2.9°C28 mm2.89 h 5129Good coverage
Records at HOLLIS 5E, 1922–2011
MonthRecord highRecord lowWettest dayWettest / driest monthYears
January30.0°C3 Jan 2006-24.4°C10 Jan 193051 mm8 Jan 193979 mm1939 · driest 0 mm in 197685
February33.3°C22 Feb 1996-23.3°C11 Feb 198657 mm21 Feb 199799 mm1987 · driest 0 mm in 199187
March38.9°C27 Mar 1971-16.7°C2 Mar 1980115 mm27 Mar 1929149 mm1929 · driest 0 mm in 193088
April39.4°C12 Apr 1972-6.7°C3 Apr 197589 mm17 Apr 1931261 mm1997 · driest 0 mm in 199688
May43.3°C23 May 20000.0°C1 May 1960114 mm20 May 1941323 mm1941 · driest 1 mm in 196287
June47.2°C14 Jun 19536.7°C1 Jun 1983109 mm23 Jun 1959245 mm1941 · driest 0 mm in 193387
July46.7°C19 Jul 19368.9°C3 Jul 192499 mm21 Jul 1990207 mm1950 · driest 0 mm in 198384
August47.2°C12 Aug 193610.0°C24 Aug 1961121 mm27 Aug 1979243 mm1995 · driest 0 mm in 195288
September43.3°C2 Sep 1951-0.6°C21 Sep 1983114 mm12 Sep 2008224 mm1976 · driest 0 mm in 193987
October41.1°C3 Oct 2000-8.3°C31 Oct 1993127 mm12 Oct 1923332 mm1923 · driest 0 mm in 198988
November34.4°C5 Nov 1945-14.4°C30 Nov 200665 mm15 Nov 2001152 mm2004 · driest 0 mm in 196087
December31.7°C24 Dec 1955-22.8°C23 Dec 1989110 mm23 Dec 1932171 mm1932 · driest 0 mm in 201087
Typical days per month at HOLLIS 5E, 1991–2020
MonthDays 25°C+Days 30°C+Frost nightsHeavy rain (10 mm+)Snow days
January<1026<11
February3<118<1<1
March72101<1
April156220
May2313030
June2823030
July3129020
August3027020
September2618020
October166120
November4<1101<1
December<10241<1
How often, not how much — every day in HOLLIS 5E’s record sorted by what it was actually like, rather than averaged
MonthWarm & dry daysWet daysWashoutsWeek with 3+ wet daysDaytime mean has ranged
January15%8%2%3%7.4–15.9°C
February27%11%3%8%10.6–18.8°C
March50%12%4%7%15.6–22.9°C
April73%14%6%12%22.4–28.0°C
May77%21%9%23%26.7–31.7°C
June81%19%9%15%31.5–36.9°C
July86%14%5%11%34.5–39.7°C
August86%14%6%12%33.9–39.1°C
September83%16%7%14%28.8–34.6°C
October76%14%6%12%22.8–28.6°C
November42%10%3%7%14.9–20.8°C
December15%8%3%4%10.0–15.5°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.

1923Each stripe is one year’s mean temperature against the 73-year average. Warmest: 1954. Coolest: 1949.2010

The evidence behind this page

Nearby, measured,
and named.

Place identity
GeoNames 4541804
NOAA station
USC00344249 · HOLLIS 5E
Station distance
12.9 km from the place centre
Climate period
1991–2020
Minimum month coverage
19 usable years
Daylight
Calculated from latitude 34.57°, 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 HOLLIS 5E is what differs

HollisDukeGouldArnettLincolnMcKnight