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Iceland · 1991–2020

Best time to visit
Garðabær.

July leads for comfortable weather in Garðabær: typically 14.9°C by day, 9.1°C at night, with 66 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortJuly

Typical high14.9°C

Typical low9.1°C

Rain in July66 mm

Comfort

July

July · June · August

45climate match

Beach

July

July · January · February

8climate match

Outdoors

July

July · June · August

64climate match

The weakest month is January, scoring 5 against July’s 45 — days reach only 3.2°C, 21° 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

53.2° / -1.7°

Feb

53.3° / -1.9°

Mar

54.2° / -1.3°

Apr

56.9° / 1°

May

2010.1° / 4°

Jun

3813° / 7.2°

Jul

4514.9° / 9.1°

Aug

3814.1° / 8.6°

Sep

2111.4° / 6.2°

Oct

57.6° / 2.7°

Nov

54.7° / -0.1°

Dec

53.3° / -1.6°

Monthly climate evidence for Garðabær — daylight is calculated from latitude, everything else is measured, sea temperature from the nearest open water 11 km away
Month	Day	Night	Rain	Wet days	Sea	Daylight	Comfort	Coverage
January	3.2°C	-1.7°C	106 mm	18.5	5.3°C	5 h 19	5	Strong coverage
February	3.3°C	-1.9°C	112 mm	18.7	5.1°C	8 h 24	5	Strong coverage
March	4.2°C	-1.3°C	94 mm	16.7	4.9°C	11 h 27	5	Strong coverage
April	6.9°C	1°C	71 mm	14.3	5.6°C	14 h 54	5	Strong coverage
May	10.1°C	4°C	68 mm	14	7.2°C	18 h 17	20	Strong coverage
June	13°C	7.2°C	57 mm	12.3	9.6°C	20 h 58	38	Strong coverage
July	14.9°C	9.1°C	66 mm	13.8	11.2°C	19 h 44	45	Strong coverage
August	14.1°C	8.6°C	85 mm	15.2	11.4°C	16 h 23	38	Strong coverage
September	11.4°C	6.2°C	101 mm	17.4	10.0°C	12 h 54	21	Strong coverage
October	7.6°C	2.7°C	99 mm	16.1	8.3°C	9 h 35	5	Strong coverage
November	4.7°C	-0.1°C	105 mm	16.6	6.8°C	6 h 19	5	Strong coverage
December	3.3°C	-1.6°C	114 mm	17.4	5.8°C	4 h 14	5	Strong coverage

What has changed

Garðabær runs +1.3°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

+1.2

Feb

+1.2

Mar

+1.4

Apr

+1.8

May

+1.0

Jun

+1.3

Jul

+1.6

Aug

+1.5

Sep

+1.5

Oct

+1.1

Nov

+1.8

Dec

+0.6

July daytime highs, 2011–2025. Last recorded: 14.9°C.

Records at REYKJAVIK, 1949–2026
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	10.7°C4 Jan 2013	-19.7°C30 Jan 1971	33 mm6 Jan 2022	153 mm2006 · driest 27 mm in 2026	78
February	10.2°C25 Feb 2013	-17.6°C7 Feb 1969	40 mm13 Feb 1953	174 mm1953 · driest 5 mm in 1966	78
March	13.0°C31 Mar 1965	-16.4°C9 Mar 1969	37 mm6 Mar 1974	210 mm2022 · driest 2 mm in 1962	78
April	17.1°C30 Apr 2019	-16.4°C1 Apr 1968	48 mm1 Apr 1989	150 mm2017 · driest 10 mm in 1950	78
May	20.6°C14 May 1960	-7.7°C5 May 1982	39 mm1 May 2011	129 mm2018 · driest 9 mm in 1958	78
June	22.4°C11 Jun 2002	-0.7°C7 Jun 1997	31 mm29 Jun 1977	116 mm2014 · driest 2 mm in 1971	78
July	25.7°C30 Jul 2008	1.4°C25 Jul 1963	39 mm12 Jul 1997	113 mm1984 · driest 12 mm in 2009	77
August	24.8°C11 Aug 2004	-0.4°C27 Aug 1956	42 mm10 Aug 1984	149 mm1976 · driest 4 mm in 1956	77
September	18.5°C26 Sep 2019	-4.4°C24 Sep 1974	49 mm26 Sep 1959	174 mm2008 · driest 15 mm in 1954	77
October	15.7°C1 Oct 1958	-10.6°C27 Oct 1970	48 mm2 Oct 2000	207 mm2016 · driest 19 mm in 2013	77
November	12.9°C12 Nov 2024	-15.1°C19 Nov 2004	48 mm18 Nov 2018	260 mm1993 · driest 10 mm in 2000	77
December	12.0°C14 Dec 1997	-16.8°C28 Dec 1961	55 mm29 Dec 2012	197 mm2007 · driest 23 mm in 1976	77

Typical days per month at REYKJAVIK, 1991–2020
Month	Frost nights	Heavy rain (10 mm+)
January	19	2
February	19	2
March	19	2
April	11	1
May	3	1
June	0	<1
July	0	1
August	0	2
September	<1	2
October	7	2
November	15	2
December	20	3

How often, not how much — every day in REYKJAVIK’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%	51%	8%	68%	0.3–4.7°C
February	0%	53%	8%	68%	1.0–5.2°C
March	0%	49%	7%	66%	1.7–6.1°C
April	0%	44%	4%	58%	4.2–8.2°C
May	0%	37%	4%	47%	8.4–11.3°C
June	<1%	37%	3%	47%	10.9–13.9°C
July	1%	37%	4%	45%	12.7–15.7°C
August	<1%	41%	6%	54%	12.6–15.1°C
September	0%	48%	7%	63%	9.2–12.7°C
October	0%	50%	8%	68%	5.8–8.8°C
November	0%	49%	8%	65%	2.3–6.3°C
December	0%	51%	8%	66%	0.9–4.9°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.

1949Each stripe is one year’s mean temperature against the 77-year average. Warmest: 2025. Coolest: 1979.2025

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 3417195
NOAA station: IC000004030 · REYKJAVIK
Station distance: 4.4 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 26 usable years
Daylight: Calculated from latitude 64.09°, mid-month, sunrise to sunset including refraction. Not a station measurement.
Sea temperature: NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 11 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 REYKJAVIK is what differs

Reykjavík→Kópavogur→Hafnarfjörður→Mosfellsbær→Selfoss→Akranes→

Or put two places side by side: Garðabær vs Reykjavík

Best time to visitGarðabær.

July

July

July

The whole year,without the guesswork.

Garðabær runs +1.3°Con the 1961–1990 baseline.

Nearby, measured,and named.

Best time to visit
Garðabær.

The whole year,
without the guesswork.

Garðabær runs +1.3°C
on the 1961–1990 baseline.

Nearby, measured,
and named.