Japan · 1991–2020

Best time to visit
Hitachi

For Hitachi, June has the most comfortable weather in our climate comparison. Typical daytime highs are 24.7°C, nights average 16.6°C, and rainfall totals about 156 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.

Best all-round monthJune

Typical daytime high24.7°C

Typical night-time low16.6°C

June rainfall156 mm

Overall comfort

June

Other strong months: May and September

69/100 weather score

Beach weather

August

Other strong months: July and September

69/100 weather score

Outdoor sightseeing

November

Other strong months: April and May

66/100 weather score

Make the answer personal

Choose the weather
that suits you.

Set the daytime temperature and rainfall you are comfortable with. We will show only the months that meet every choice, using the measured 1991–2020 averages below.

Daytime high: at least 18°CDaytime high: at most 28°CMonthly rain: no more than 160 mmWet days: no more than 13

3 months fit your choices for Hitachi

April18°C day · 131 mm rain · 10.9 wet days

May22.2°C day · 146 mm rain · 10.9 wet days

June24.7°C day · 156 mm rain · 12.4 wet days

February has the lowest comfort score at 17 out of 100, compared with June at 69. The main reason is that days reach only 9.9°C, 14° below the 24°C the score treats as ideal, and nights drop to -2°C.

Quick answers

Planning a trip to Hitachi?

These answers come from the same measured monthly climate record shown on this page.

When is the best time to visit Hitachi?

June is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 24.7°C and 156 mm of rain.

What is the hottest month in Hitachi?

August is hottest in this record, with a typical daytime high of 30°C and a night-time low of 22°C.

Which month has the least rain?

January has the lowest monthly rainfall total at 41 mm.

Is this a weather forecast?

No. These are long-term measured averages from 1991–2020. Check a current forecast before you travel.

Month by month

See how the weather
changes through the year.

The bars combine daytime temperature, night-time temperature and rainfall. The figures are measured historical averages, not a forecast for a particular trip.

189.2° / -2.7°

179.9° / -2°

2413.1° / 1.1°

4418° / 6.2°

6622.2° / 11.9°

6924.7° / 16.6°

4528.8° / 20.6°

4830° / 22°

5626.4° / 18.2°

5421.2° / 11.9°

4616.3° / 5.3°

2711.5° / -0.1°

Monthly climate evidence for Hitachi — daylight is calculated from latitude, everything else is measured, sea temperature from the nearest open water 20 km away
Month	Day	Night	Rain	Wet days	Sea	Daylight	Comfort	Coverage
January	9.2°C	-2.7°C	41 mm	3.8	14.3°C	9 h 55	18	Good coverage
February	9.9°C	-2°C	58 mm	6.4	12.8°C	10 h 47	17	Good coverage
March	13.1°C	1.1°C	100 mm	8.9	12.8°C	11 h 51	24	Good coverage
April	18°C	6.2°C	131 mm	10.9	14.2°C	13 h 04	44	Good coverage
May	22.2°C	11.9°C	146 mm	10.9	16.5°C	14 h 06	66	Good coverage
June	24.7°C	16.6°C	156 mm	12.4	19.1°C	14 h 39	69	Good coverage
July	28.8°C	20.6°C	176 mm	13.7	21.5°C	14 h 26	45	Good coverage
August	30°C	22°C	140 mm	9	24.0°C	13 h 33	48	Good coverage
September	26.4°C	18.2°C	189 mm	12.3	23.2°C	12 h 22	56	Good coverage
October	21.2°C	11.9°C	211 mm	10	20.6°C	11 h 11	54	Good coverage
November	16.3°C	5.3°C	88 mm	7.7	18.6°C	10 h 10	46	Good coverage
December	11.5°C	-0.1°C	52 mm	5.6	16.3°C	9 h 40	27	Good coverage

Records at MITO, 1951–2026
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	23.8°C27 Jan 1969	-11.0°C17 Jan 1970	82 mm27 Jan 2002	133 mm2002 · driest 0 mm in 2026	75
February	24.3°C14 Feb 2009	-12.7°C5 Feb 1952	86 mm15 Feb 2014	194 mm1985 · driest 0 mm in 2026	75
March	25.2°C29 Mar 2007	-8.1°C6 Mar 1977	84 mm30 Mar 1969	189 mm2018 · driest 0 mm in 2026	75
April	29.3°C28 Apr 2015	-3.5°C6 Apr 1965	116 mm29 Apr 1971	231 mm2010 · driest 0 mm in 2025	75
May	33.4°C26 May 2019	-0.1°C3 May 1953	124 mm25 May 1997	346 mm2012 · driest 0 mm in 2025	75
June	36.2°C25 Jun 2022	7.6°C3 Jun 1958	226 mm28 Jun 1966	490 mm1961 · driest 0 mm in 2025	75
July	38.4°C5 Jul 1997	7.8°C20 Jul 2026	164 mm8 Jul 2000	335 mm2006 · driest 0 mm in 2025	75
August	38.4°C15 Aug 1996	13.4°C10 Aug 1980	244 mm4 Aug 1986	398 mm2016 · driest 0 mm in 2025	73
September	36.8°C2 Sep 2000	8.4°C28 Sep 1962	204 mm19 Sep 1991	429 mm1991 · driest 0 mm in 2025	73
October	33.1°C1 Oct 1979	0.7°C31 Oct 1984	177 mm8 Oct 1952	489 mm2004 · driest 0 mm in 2025	74
November	26.2°C1 Nov 1977	-4.2°C30 Nov 1976	169 mm20 Nov 1970	217 mm1970 · driest 0 mm in 1998	74
December	25.0°C5 Dec 2004	-7.8°C25 Dec 1973	83 mm5 Dec 1968	193 mm1968 · driest 0 mm in 2025	74

Typical days per month at MITO, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)
January	0	0	15	1
February	0	0	13	1
March	<1	0	6	3
April	1	0	<1	4
May	7	<1	0	4
June	13	2	0	4
July	23	12	0	3
August	26	16	0	3
September	18	5	0	5
October	3	<1	0	4
November	0	0	1	3
December	0	0	10	1

How often different weather occurs at MITO, based on its daily record
Month	Dry days reaching 20°C	Wet days	Days with heavy rain	Weeks with 3+ wet days	Typical high by year
January	<1%	16%	6%	9%	7.6–10.4°C
February	<1%	23%	7%	24%	8.0–11.5°C
March	3%	31%	12%	34%	10.8–14.1°C
April	20%	37%	15%	44%	16.2–19.0°C
May	46%	39%	17%	48%	20.5–23.3°C
June	54%	42%	17%	57%	22.2–26.2°C
July	62%	38%	13%	44%	25.5–30.7°C
August	71%	30%	12%	35%	27.8–31.9°C
September	59%	41%	19%	54%	24.2–27.7°C
October	43%	34%	17%	35%	19.5–22.0°C
November	10%	24%	9%	23%	14.9–17.2°C
December	<1%	17%	6%	9%	10.0–12.7°C

A dry day reaching 20°C records under 1 mm of rain. A wet day records at least 1 mm, while a heavy-rain day records at least 10 mm. The weekly figure is the share of seven-day periods containing three or more wet days. The final column shows the middle 80% of average daytime highs recorded for that month in individual years; a wider range means conditions have varied more from one year to another.

1951Each stripe is one year’s mean temperature against the 41-year average. Warmest: 2025. Coolest: 1984.2025

The evidence behind this page

Where these figures
come from.

Place identity: GeoNames 2112708
NOAA station: JA000047629 · MITO
Station distance: 29.2 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 16 usable years
Daylight: Calculated from latitude 36.60°, mid-month, sunrise to sunset including refraction. Not a station measurement.
Sea temperature: NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 20 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.

Next step

Choose your month.
Then plan the details.

The weather comparison for Hitachi is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.

How travel partnerships will work

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