Japan · 1991–2020

Best time to visit
Ama.

June leads for comfortable weather in Ama: typically 24.1°C by day, 16.4°C at night, with 156 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortJune

Typical high24.1°C

Typical low16.4°C

Rain in June156 mm

Comfort

June

June · May · October

75climate match

Beach

August

August · July · June

59climate match

Outdoors

May

May · October · April

72climate match

The weakest month is January, scoring 5 against June’s 75 — days reach only 8°C, 16° 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

58° / 0.5°

Feb

58.6° / 0°

Mar

1211.8° / 2.2°

Apr

3916.7° / 6.4°

May

6721.3° / 11.4°

Jun

7524.1° / 16.4°

Jul

3728° / 21.5°

Aug

4029.9° / 22.6°

Sep

4926.1° / 17.9°

Oct

6521.3° / 11.9°

Nov

3216.1° / 7.3°

Dec

511° / 3.1°

Monthly climate evidence for Ama — daylight is calculated from latitude, everything else is measured, sea temperature from the nearest open water 5 km away
Month	Day	Night	Rain	Wet days	Sea	Daylight	Comfort	Coverage
January	8°C	0.5°C	183 mm	21.7	14.0°C	9 h 57	5	Good coverage
February	8.6°C	0°C	135 mm	17	12.5°C	10 h 49	5	Good coverage
March	11.8°C	2.2°C	143 mm	14	12.6°C	11 h 51	12	Good coverage
April	16.7°C	6.4°C	147 mm	9.1	14.0°C	13 h 03	39	Good coverage
May	21.3°C	11.4°C	133 mm	7.3	16.5°C	14 h 03	67	Good coverage
June	24.1°C	16.4°C	156 mm	8.8	20.1°C	14 h 36	75	Good coverage
July	28°C	21.5°C	247 mm	12.1	23.5°C	14 h 23	37	Good coverage
August	29.9°C	22.6°C	188 mm	9	26.4°C	13 h 32	40	Good coverage
September	26.1°C	17.9°C	262 mm	11.3	25.0°C	12 h 22	49	Good coverage
October	21.3°C	11.9°C	137 mm	9.6	22.1°C	11 h 12	65	Good coverage
November	16.1°C	7.3°C	151 mm	16.1	19.4°C	10 h 12	32	Good coverage
December	11°C	3.1°C	188 mm	21.1	16.5°C	9 h 43	5	Strong coverage

Records at SAIGO, 1951–2026
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	17.2°C1 Jan 1997	-5.7°C22 Jan 2004	66 mm16 Jan 2002	407 mm1962 · driest 0 mm in 2026	75
February	20.1°C27 Feb 1954	-9.5°C11 Feb 1994	65 mm25 Feb 1989	258 mm1989 · driest 0 mm in 2026	75
March	23.5°C27 Mar 2025	-6.7°C6 Mar 1977	96 mm15 Mar 1999	213 mm1966 · driest 0 mm in 2026	75
April	26.8°C21 Apr 2018	-3.2°C1 Apr 1987	139 mm30 Apr 1992	299 mm1992 · driest 0 mm in 2025	75
May	31.0°C26 May 2019	1.4°C2 May 1974	149 mm31 May 2003	298 mm1980 · driest 0 mm in 2025	75
June	32.2°C28 Jun 2022	6.8°C2 Jun 1981	199 mm25 Jun 1996	442 mm1996 · driest 0 mm in 2025	75
July	34.9°C22 Jul 2018	11.5°C4 Jul 1966	204 mm14 Jul 1988	559 mm2006 · driest 0 mm in 2025	75
August	38.8°C15 Aug 1990	13.5°C20 Aug 1956	282 mm7 Aug 2020	675 mm2021 · driest 0 mm in 2025	74
September	33.9°C1 Sep 2010	7.3°C28 Sep 1987	234 mm14 Sep 1991	421 mm1965 · driest 0 mm in 2025	74
October	30.0°C1 Oct 1998	2.8°C31 Oct 1986	125 mm15 Oct 1951	295 mm1961 · driest 0 mm in 2025	74
November	24.1°C2 Nov 2003	-1.5°C30 Nov 1970	66 mm2 Nov 2024	270 mm1977 · driest 0 mm in 2025	74
December	20.1°C2 Dec 1953	-4.5°C27 Dec 1976	82 mm11 Dec 2015	300 mm1960 · driest 0 mm in 2025	74

Typical days per month at SAIGO, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)
January	0	0	7	5
February	0	0	9	4
March	0	0	5	4
April	<1	0	<1	4
May	3	0	0	4
June	11	<1	0	4
July	23	9	0	5
August	28	16	0	4
September	18	3	0	5
October	2	0	0	3
November	0	0	0	4
December	0	0	2	5

How often, not how much — every day in SAIGO’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%	67%	20%	90%	5.8–9.2°C
February	0%	57%	15%	78%	5.8–9.9°C
March	<1%	43%	15%	56%	9.6–12.8°C
April	12%	35%	16%	39%	15.0–17.8°C
May	46%	30%	14%	27%	19.9–22.3°C
June	63%	33%	16%	43%	22.5–25.2°C
July	66%	35%	18%	39%	25.5–29.8°C
August	72%	29%	13%	35%	27.8–31.4°C
September	61%	39%	19%	49%	24.5–27.2°C
October	42%	35%	13%	41%	19.5–21.7°C
November	5%	49%	16%	70%	14.4–16.9°C
December	0%	62%	19%	84%	8.7–12.2°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.

1951Each stripe is one year’s mean temperature against the 40-year average. Warmest: 2025. Coolest: 1980.2025

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 1865390
NOAA station: JA000047740 · SAIGO
Station distance: 24.7 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 15 usable years
Daylight: Calculated from latitude 36.09°, mid-month, sunrise to sunset including refraction. Not a station measurement.
Sea temperature: NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 5 km from the place centre. A sheltered bay can run warmer than the open sea it is measured from.
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 SAIGO is what differs

Nishida→Funagoshi→Kōri→Urumi→Uragō→Uka→

Or put two places side by side: Ama vs Nishida

Best time to visitAma.

June

August

May

The whole year,without the guesswork.

Nearby, measured,and named.

Best time to visit
Ama.

The whole year,
without the guesswork.

Nearby, measured,
and named.