United States · 1991–2020

Best time to visit
Shannonville (historical).

September leads for comfortable weather in Shannonville (historical): typically 25.1°C by day, 6.7°C at night, with 24 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortSeptember

Typical high25.1°C

Typical low6.7°C

Rain in September24 mm

Comfort

September

September · June · July

79climate match

Beach

July

July · August · September

66climate match

Outdoors

May

May · September · June

78climate match

The weakest month is January, scoring 5 against September’s 79 — days reach only 2.3°C, 22° below the 24°C the score treats as ideal.

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

52.3° / -4.5°

Feb

55.5° / -4.1°

Mar

1810.8° / -1.6°

Apr

4115.7° / 1.3°

May

6621.3° / 5.2°

Jun

7824.8° / 8.7°

Jul

6931° / 11.4°

Aug

6831.3° / 10.6°

Sep

7925.1° / 6.7°

Oct

4015.6° / 2°

Nov

56.2° / -1.5°

Dec

51.8° / -4.2°

Monthly climate evidence for Shannonville (historical) — daylight is calculated from latitude, everything else is measured
Month	Day	Night	Rain	Wet days	Daylight	Comfort	Coverage
January	2.3°C	-4.5°C	56 mm	11.5	8 h 49	5	Strong coverage
February	5.5°C	-4.1°C	48 mm	9.4	10 h 10	5	Strong coverage
March	10.8°C	-1.6°C	49 mm	10.3	11 h 44	18	Strong coverage
April	15.7°C	1.3°C	43 mm	10.1	13 h 33	41	Strong coverage
May	21.3°C	5.2°C	53 mm	8.9	15 h 06	66	Strong coverage
June	24.8°C	8.7°C	55 mm	9.3	15 h 58	78	Strong coverage
July	31°C	11.4°C	23 mm	3.9	15 h 37	69	Strong coverage
August	31.3°C	10.6°C	22 mm	3.3	14 h 16	68	Strong coverage
September	25.1°C	6.7°C	24 mm	5.4	12 h 30	79	Strong coverage
October	15.6°C	2°C	53 mm	9.5	10 h 46	40	Strong coverage
November	6.2°C	-1.5°C	68 mm	11.9	9 h 13	5	Strong coverage
December	1.8°C	-4.2°C	59 mm	11.7	8 h 26	5	Strong coverage

What has changed

Shannonville (historical) runs -0.6°C
on the 1961–1990 baseline.

Each bar compares the 2011–2025 daytime average for that month against the same month in 1961–1990, measured at the same station. Months where the older record is too thin to compare are left blank.

Jan

+0.2

Feb

-2.6

Mar

-0.8

Apr

-2.1

May

-0.8

Jun

-1.3

Jul

+0.4

Aug

+0.4

Sep

+0.7

Oct

-0.9

Nov

-0.8

Dec

-0.1

September daytime highs, 2011–2025. Last recorded: 28.9°C.

Records at THOMPSON FALLS PH, 1956–2026
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	17.2°C27 Jan 2005	-30.0°C13 Jan 2024	41 mm7 Jan 2009	168 mm1974 · driest 8 mm in 1985	70
February	21.7°C24 Feb 1995	-26.7°C16 Feb 1956	32 mm7 Feb 1996	121 mm1996 · driest 3 mm in 1973	70
March	26.7°C30 Mar 2004	-21.1°C3 Mar 2019	35 mm20 Mar 2002	119 mm2017 · driest 8 mm in 2019	71
April	33.9°C28 Apr 1987	-8.3°C19 Apr 1966	39 mm2 Apr 1970	93 mm1996 · driest 1 mm in 1977	71
May	37.2°C30 May 1986	-4.4°C1 May 1972	50 mm20 May 1957	136 mm1980 · driest 14 mm in 1999	71
June	39.4°C29 Jun 2021	0.0°C10 Jun 1999	57 mm8 Jun 1964	115 mm1992 · driest 3 mm in 1979	71
July	41.1°C25 Jul 1984	1.7°C3 Jul 1962	36 mm23 Jul 1992	95 mm1993 · driest 0 mm in 1973	69
August	41.7°C4 Aug 1961	0.0°C30 Aug 1965	55 mm27 Aug 1966	84 mm1966 · driest 0 mm in 2012	69
September	40.6°C5 Sep 1988	-6.7°C29 Sep 1985	31 mm18 Sep 1986	114 mm1959 · driest 0 mm in 1990	70
October	31.1°C1 Oct 1987	-14.4°C31 Oct 2002	46 mm1 Oct 2005	151 mm2016 · driest 2 mm in 1987	69
November	23.3°C12 Nov 1999	-21.7°C23 Nov 1985	38 mm22 Nov 1961	188 mm2006 · driest 12 mm in 1957	69
December	16.1°C1 Dec 2021	-31.7°C30 Dec 1968	36 mm22 Dec 1964	170 mm1996 · driest 12 mm in 1985	69

Typical days per month at THOMPSON FALLS PH, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)	Snow days
January	0	0	28	1	3
February	0	0	25	1	2
March	<1	0	22	<1	1
April	2	0	12	<1	<1
May	8	2	3	1	0
June	15	6	0	2	0
July	26	20	0	<1	0
August	27	21	0	<1	0
September	17	7	<1	<1	0
October	2	0	10	1	<1
November	0	0	20	2	1
December	0	0	28	2	3

The best month has moved. On the 1961–1990 numbers the strongest month here was September (scoring 82); on 2011–2025 it is June (87). Both are scored the same way, from the same station — only the climate underneath changed.

How often, not how much — every day in THOMPSON FALLS PH’s record sorted by what it was actually like, rather than averaged
Month	Warm & dry days	Wet days	Washouts	Week with 3+ wet days	Daytime mean has ranged
January	0%	37%	5%	49%	-0.9–4.1°C
February	<1%	34%	4%	45%	2.4–8.5°C
March	4%	33%	2%	42%	8.3–13.8°C
April	24%	30%	2%	37%	13.5–19.2°C
May	51%	30%	4%	38%	18.7–23.9°C
June	65%	29%	4%	33%	22.7–28.3°C
July	86%	13%	2%	9%	28.3–33.6°C
August	85%	15%	3%	14%	27.0–33.4°C
September	71%	19%	2%	21%	21.3–28.9°C
October	24%	28%	3%	38%	13.4–18.4°C
November	<1%	40%	6%	54%	3.9–8.1°C
December	0%	40%	5%	54%	-0.5–3.9°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.

1957Each stripe is one year’s mean temperature against the 63-year average. Warmest: 1994. Coolest: 1985.2025

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 5677206
NOAA station: USC00248211 · THOMPSON FALLS PH
Station distance: 6 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 28 usable years
Daylight: Calculated from latitude 47.64°, 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 THOMPSON FALLS PH is what differs

Thompson Falls→Belknap→Ashleys Settlement (historical)→Eddy→Snider→Talc→

Or put two places side by side: Shannonville (historical) vs Thompson Falls

Best time to visitShannonville (historical).

September

July

May

The whole year,without the guesswork.

Shannonville (historical) runs -0.6°Con the 1961–1990 baseline.

Nearby, measured,and named.

Best time to visit
Shannonville (historical).

The whole year,
without the guesswork.

Shannonville (historical) runs -0.6°C
on the 1961–1990 baseline.

Nearby, measured,
and named.