July
Other strong months: August and June
44/100 weather score
Iceland · 1991–2020
Best time to visit
Stykkishólmur
For Stykkishólmur, July has the most comfortable weather in our climate comparison. Typical daytime highs are 13.9°C, nights average 8.4°C, and rainfall totals about 55 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthJuly
Typical daytime high13.9°C
Typical night-time low8.4°C
July rainfall55 mm
July
Other strong months: January and February
7/100 weather score
July
Other strong months: June and August
64/100 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.
2 months fit your choices for Stykkishólmur
The lowest comfort score is 5 out of 100. January, February, March, April, October, November and December share that score. In January, that is mainly because days reach only 2.7°C, 21° below the 24°C the score treats as ideal.
Quick answers
Planning a trip to Stykkishólmur?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit Stykkishólmur?
July is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 13.9°C and 55 mm of rain.
What is the hottest month in Stykkishólmur?
July is hottest in this record, with a typical daytime high of 13.9°C and a night-time low of 8.4°C.
Which month has the least rain?
June has the lowest monthly rainfall total at 53 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.
| Month | Day | Night | Rain | Wet days | Sea | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|---|
| January | 2.7°C | -2.2°C | 98 mm | 17.3 | 2.3°C | 4 h 53 | 5 | Strong coverage |
| February | 2.5°C | -2.5°C | 102 mm | 16.7 | 2.1°C | 8 h 13 | 5 | Strong coverage |
| March | 3.1°C | -1.9°C | 90 mm | 15.6 | 2.0°C | 11 h 26 | 5 | Strong coverage |
| April | 5.8°C | 0.3°C | 61 mm | 12.6 | 2.9°C | 15 h 03 | 5 | Strong coverage |
| May | 8.9°C | 3.2°C | 54 mm | 12.1 | 4.9°C | 18 h 40 | 18 | Strong coverage |
| June | 12.2°C | 6.4°C | 53 mm | 11.7 | 8.0°C | 21 h 57 | 35 | Good coverage |
| July | 13.9°C | 8.4°C | 55 mm | 11.9 | 9.7°C | 20 h 20 | 44 | Good coverage |
| August | 13.4°C | 8.3°C | 77 mm | 15 | 10.3°C | 16 h 36 | 36 | Good coverage |
| September | 10.7°C | 6°C | 95 mm | 15.2 | 9.1°C | 12 h 56 | 21 | Strong coverage |
| October | 6.8°C | 2.5°C | 89 mm | 16.5 | 7.1°C | 9 h 28 | 5 | Strong coverage |
| November | 4.1°C | -0.3°C | 86 mm | 15.5 | 4.9°C | 6 h | 5 | Strong coverage |
| December | 2.9°C | -2°C | 106 mm | 17.3 | 3.4°C | 3 h 37 | 5 | Strong coverage |
What has changed
Recent daytime highs are
1.3°C warmer in Stykkishólmur.
Each bar shows the difference between the 2011–2025 average daytime high and the 1961–1990 average for the same month at the same station. A blank month does not have enough older observations for a reliable comparison.
Jan
+1.5
Feb
+1.4
Mar
+1.7
Apr
+2.0
May
+1.2
Jun
+1.2
Jul
+1.2
Aug
+1.2
Sep
+1.6
Oct
+1.0
Nov
+1.5
Dec
+0.7
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 10.9°C3 Jan 2019 | -16.0°C30 Jan 1971 | 43 mm24 Jan 1992 | 212 mm1989 · driest 6 mm in 2026 | 78 |
| February | 11.7°C1 Feb 2025 | -17.7°C7 Feb 1969 | 49 mm13 Feb 2023 | 220 mm1959 · driest 1 mm in 1977 | 78 |
| March | 12.2°C17 Mar 2006 | -19.0°C9 Mar 1969 | 57 mm5 Mar 1974 | 197 mm1974 · driest 3 mm in 1962 | 78 |
| April | 16.4°C28 Apr 2007 | -16.0°C1 Apr 1968 | 31 mm7 Apr 1969 | 110 mm2017 · driest 5 mm in 1950 | 78 |
| May | 20.5°C17 May 2025 | -6.7°C5 May 1982 | 39 mm25 May 2024 | 113 mm2018 · driest 3 mm in 1958 | 78 |
| June | 22.0°C20 Jun 1949 | -0.8°C1 Jun 1975 | 47 mm12 Jun 2006 | 96 mm2006 · driest 1 mm in 2012 | 78 |
| July | 21.0°C31 Jul 1980 | 2.0°C25 Jul 1963 | 33 mm18 Jul 2025 | 100 mm1977 · driest 5 mm in 2023 | 77 |
| August | 20.8°C27 Aug 2025 | 0.5°C26 Aug 2005 | 55 mm30 Aug 2013 | 143 mm1976 · driest 3 mm in 1956 | 77 |
| September | 18.5°C4 Sep 2010 | -4.9°C19 Sep 2000 | 68 mm17 Sep 2008 | 204 mm2008 · driest 15 mm in 1957 | 77 |
| October | 15.7°C2 Oct 2002 | -8.0°C30 Oct 1968 | 49 mm20 Oct 1965 | 204 mm1965 · driest 10 mm in 1968 | 77 |
| November | 13.3°C17 Nov 2018 | -11.8°C18 Nov 2006 | 61 mm18 Nov 1958 | 281 mm1958 · driest 18 mm in 1995 | 77 |
| December | 13.4°C14 Dec 2001 | -14.8°C18 Dec 1973 | 56 mm18 Dec 2007 | 171 mm2007 · driest 9 mm in 1952 | 77 |
| Month | Days 25°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|
| January | 0 | 22 | 2 |
| February | 0 | 21 | 2 |
| March | 0 | 22 | 2 |
| April | 0 | 13 | <1 |
| May | 0 | 4 | <1 |
| June | 0 | 0 | <1 |
| July | 0 | 0 | <1 |
| August | 0 | 0 | 1 |
| September | 0 | <1 | 2 |
| October | 0 | 7 | 2 |
| November | 0 | 16 | 2 |
| December | 0 | 22 | 2 |
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 0% | 48% | 6% | 61% | -0.8–4.1°C |
| February | 0% | 49% | 8% | 61% | -0.7–4.5°C |
| March | 0% | 46% | 6% | 59% | 0.1–4.8°C |
| April | 0% | 39% | 3% | 45% | 2.9–7.3°C |
| May | 0% | 31% | 2% | 33% | 6.8–10.0°C |
| June | <1% | 32% | 2% | 37% | 10.5–13.3°C |
| July | <1% | 30% | 3% | 32% | 11.8–14.9°C |
| August | <1% | 37% | 5% | 46% | 11.6–14.4°C |
| September | 0% | 43% | 6% | 54% | 8.3–11.7°C |
| October | 0% | 48% | 7% | 65% | 4.7–8.1°C |
| November | 0% | 45% | 7% | 60% | 2.0–5.5°C |
| December | 0% | 47% | 7% | 59% | -0.1–4.6°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.
The evidence behind this page
Where these figures
come from.
- Place identity
- GeoNames 3412888
- NOAA station
- IC000004013 · STYKKISHOLMUR
- Station distance
- 0.2 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 23 usable years
- Daylight
- Calculated from latitude 65.08°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- Sea temperature
- NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 7 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 Stykkishólmur 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.
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