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Russia · 1991–2020

Best time to visit
Fosforitnyy.

August leads for comfortable weather in Fosforitnyy: typically 23.8°C by day, 12.2°C at night, with 65 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortAugust

Typical high23.8°C

Typical low12.2°C

Rain in August65 mm

Comfort

August

August · July · June

85climate match

Beach

July

July · August · June

58climate match

Outdoors

May

May · September · June

88climate match

The weakest month is January, scoring 5 against August’s 85 — days reach only -4.4°C, 28° 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

5-4.4° / -10.5°

Feb

5-3.6° / -10.7°

Mar

52.4° / -5.7°

Apr

3212° / 1.5°

May

6720° / 7.7°

Jun

8123.2° / 11.7°

Jul

8225.7° / 14.1°

Aug

8523.8° / 12.2°

Sep

5617.3° / 7.3°

Oct

199.2° / 2.3°

Nov

51.3° / -3.4°

Dec

5-2.8° / -7.9°

Monthly climate evidence for Fosforitnyy — daylight is calculated from latitude, everything else is measured
Month	Day	Night	Rain	Wet days	Daylight	Comfort	Coverage
January	-4.4°C	-10.5°C	41 mm	10.7	7 h 41	5	Strong coverage
February	-3.6°C	-10.7°C	36 mm	9.2	9 h 32	5	Strong coverage
March	2.4°C	-5.7°C	31 mm	8.3	11 h 38	5	Strong coverage
April	12°C	1.5°C	37 mm	7.4	14 h 02	32	Strong coverage
May	20°C	7.7°C	49 mm	8	16 h 09	67	Strong coverage
June	23.2°C	11.7°C	67 mm	9.6	17 h 24	81	Strong coverage
July	25.7°C	14.1°C	69 mm	9.2	16 h 54	82	Strong coverage
August	23.8°C	12.2°C	65 mm	8.8	15 h 00	85	Strong coverage
September	17.3°C	7.3°C	54 mm	8.6	12 h 39	56	Strong coverage
October	9.2°C	2.3°C	57 mm	9.6	10 h 20	19	Strong coverage
November	1.3°C	-3.4°C	42 mm	9.4	8 h 14	5	Strong coverage
December	-2.8°C	-7.9°C	45 mm	11	7 h 08	5	Strong coverage

What has changed

Fosforitnyy runs +1.9°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

+1.5

Feb

+2.3

Mar

+1.9

Apr

+2.0

May

+2.5

Jun

+1.4

Jul

+2.7

Aug

+3.0

Sep

+1.8

Oct

+0.6

Nov

+1.0

Dec

+2.2

August daytime highs, 2011–2018. Last recorded: 26.8°C.

Records at KOLOMNA, 1959–2019
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	8.3°C11 Jan 2007	-38.1°C1 Jan 1979	18 mm14 Jan 1959	81 mm2016 · driest 4 mm in 1972	61
February	8.9°C27 Feb 1990	-40.4°C6 Feb 1976	23 mm4 Feb 2018	67 mm2001 · driest 1 mm in 1984	61
March	19.5°C25 Mar 2014	-34.0°C7 Mar 1960	19 mm8 Mar 1962	69 mm2013 · driest 5 mm in 1969	61
April	29.8°C29 Apr 2012	-22.5°C1 Apr 1963	31 mm29 Apr 1965	95 mm2012 · driest 6 mm in 1978	61
May	34.1°C28 May 2007	-4.5°C2 May 1961	40 mm12 May 1974	147 mm1974 · driest 6 mm in 1979	60
June	35.4°C26 Jun 2010	-0.7°C3 Jun 1967	88 mm15 Jun 2012	206 mm2012 · driest 8 mm in 1999	61
July	39.5°C29 Jul 2010	2.9°C12 Jul 1968	103 mm11 Jul 2008	180 mm2008 · driest 2 mm in 2014	60
August	39.7°C6 Aug 2010	0.1°C25 Aug 1971	89 mm15 Aug 2016	198 mm2016 · driest 7 mm in 1996	60
September	30.3°C7 Sep 2008	-6.2°C30 Sep 1996	38 mm2 Sep 1960	195 mm2013 · driest 4 mm in 2005	60
October	24.3°C5 Oct 1966	-18.1°C29 Oct 1968	34 mm6 Oct 1981	125 mm1992 · driest 0 mm in 1987	60
November	16.0°C6 Nov 2013	-26.5°C27 Nov 1959	41 mm24 Nov 1977	107 mm1977 · driest 4 mm in 1993	60
December	10.0°C6 Dec 2008	-40.8°C31 Dec 1978	29 mm15 Dec 1996	86 mm2010 · driest 11 mm in 1992	60

Typical days per month at KOLOMNA, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)
January	0	0	29	<1
February	0	0	26	<1
March	0	0	26	<1
April	<1	0	11	<1
May	6	<1	2	2
June	11	2	0	2
July	18	5	0	2
August	13	3	0	2
September	2	0	1	2
October	0	0	9	2
November	0	0	20	<1
December	0	0	27	<1

The best month has moved. On the 1961–1990 numbers the strongest month here was July (scoring 89); on 2011–2025 it is June (88). Both are scored the same way, from the same station — only the climate underneath changed.

How often, not how much — every day in KOLOMNA’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%	31%	1%	41%	-11.1–-2.0°C
February	0%	28%	1%	34%	-8.9–0.5°C
March	0%	23%	1%	25%	-1.9–5.0°C
April	7%	24%	2%	26%	7.9–14.2°C
May	40%	26%	5%	31%	16.3–22.9°C
June	56%	32%	6%	41%	19.8–25.6°C
July	63%	31%	7%	37%	22.2–28.1°C
August	58%	29%	6%	35%	20.8–25.8°C
September	24%	30%	5%	36%	13.5–19.6°C
October	2%	30%	4%	40%	6.2–10.8°C
November	0%	32%	3%	44%	-1.5–3.9°C
December	0%	34%	2%	44%	-7.3–0.3°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.

1959Each stripe is one year’s mean temperature against the 57-year average. Warmest: 2008. Coolest: 1969.2018

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 562445
NOAA station: RSM00027625 · KOLOMNA
Station distance: 28.3 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 28 usable years
Daylight: Calculated from latitude 55.33°, 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 KOLOMNA is what differs

Kolomna→Serpukhov→Orekhovo-Zuyevo→Yegor’yevsk→Voskresensk→Stupino→

Or put two places side by side: Fosforitnyy vs Kolomna

Best time to visitFosforitnyy.

August

July

May

The whole year,without the guesswork.

Fosforitnyy runs +1.9°Con the 1961–1990 baseline.

Nearby, measured,and named.

Best time to visit
Fosforitnyy.

The whole year,
without the guesswork.

Fosforitnyy runs +1.9°C
on the 1961–1990 baseline.

Nearby, measured,
and named.