July
July · August · June
The Netherlands · 1991–2020
July leads for comfortable weather in Spijkenisse: typically 22.7°C by day, 13.4°C at night, with 80 mm of rain. Based on measured 1991–2020 NOAA station history.
July · August · June
July · August · June
June · May · September
The weakest month is January, scoring 5 against July’s 80 — days reach only 6.4°C, 18° below the 24°C the score treats as ideal.
Month by month
The bars show the comfort score. Day and night temperatures come from daily observed highs and lows; rain is the historical monthly estimate.
| Month | Day | Night | Rain | Wet days | Sea | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|---|
| January | 6.4°C | 1.3°C | 70 mm | 12.6 | 6.1°C | 8 h 15 | 5 | Strong coverage |
| February | 7.1°C | 1.1°C | 65 mm | 10.9 | 5.4°C | 9 h 51 | 8 | Strong coverage |
| March | 10.3°C | 2.7°C | 56 mm | 10 | 6.2°C | 11 h 41 | 23 | Strong coverage |
| April | 14.3°C | 4.8°C | 44 mm | 8.9 | 8.6°C | 13 h 48 | 43 | Strong coverage |
| May | 17.9°C | 8.1°C | 56 mm | 8.7 | 11.8°C | 15 h 37 | 59 | Strong coverage |
| June | 20.6°C | 11°C | 70 mm | 9.8 | 14.9°C | 16 h 40 | 70 | Strong coverage |
| July | 22.7°C | 13.4°C | 80 mm | 10.5 | 17.5°C | 16 h 15 | 80 | Strong coverage |
| August | 22.6°C | 13.2°C | 90 mm | 10.5 | 18.9°C | 14 h 38 | 78 | Strong coverage |
| September | 19.3°C | 10.7°C | 90 mm | 11.1 | 17.6°C | 12 h 34 | 62 | Strong coverage |
| October | 14.9°C | 7.6°C | 86 mm | 12.6 | 14.7°C | 10 h 33 | 41 | Strong coverage |
| November | 10.2°C | 4.4°C | 87 mm | 13.7 | 11.2°C | 8 h 44 | 19 | Strong coverage |
| December | 7.1°C | 1.9°C | 86 mm | 14 | 8.0°C | 7 h 48 | 5 | Strong coverage |
What has changed
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.
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 14.6°C1 Jan 2023 | -17.1°C7 Jan 1985 | 35 mm12 Jan 2023 | 159 mm1988 · driest 2 mm in 1997 | 70 |
| February | 18.7°C26 Feb 2019 | -16.5°C4 Feb 2012 | 31 mm20 Feb 2015 | 143 mm2002 · driest 1 mm in 1986 | 70 |
| March | 23.8°C29 Mar 1968 | -13.4°C4 Mar 2005 | 28 mm6 Mar 1998 | 129 mm2008 · driest 6 mm in 2025 | 70 |
| April | 27.5°C19 Apr 2018 | -6.0°C1 Apr 1996 | 34 mm30 Apr 2004 | 112 mm1998 · driest 0 mm in 2007 | 70 |
| May | 31.3°C27 May 2017 | -1.4°C6 May 1996 | 45 mm21 May 1981 | 130 mm1981 · driest 8 mm in 2020 | 70 |
| June | 36.6°C26 Jun 2026 | 0.5°C2 Jun 1991 | 101 mm23 Jun 1975 | 162 mm2016 · driest 5 mm in 2023 | 70 |
| July | 37.2°C25 Jul 2019 | 3.6°C19 Jul 1971 | 75 mm14 Jul 2011 | 185 mm2011 · driest 10 mm in 2022 | 69 |
| August | 34.9°C4 Aug 1990 | 4.6°C3 Aug 1974 | 55 mm10 Aug 1999 | 268 mm2006 · driest 10 mm in 2003 | 69 |
| September | 32.2°C15 Sep 2020 | 0.4°C16 Sep 1971 | 58 mm19 Sep 2001 | 254 mm2001 · driest 11 mm in 1977 | 69 |
| October | 26.0°C1 Oct 2011 | -5.1°C29 Oct 1997 | 46 mm4 Oct 1999 | 212 mm1982 · driest 17 mm in 1975 | 70 |
| November | 19.3°C6 Nov 2018 | -9.0°C16 Nov 1965 | 38 mm27 Nov 1983 | 182 mm1977 · driest 5 mm in 2011 | 70 |
| December | 15.1°C8 Dec 2000 | -13.3°C2 Dec 1973 | 39 mm30 Dec 1993 | 171 mm1993 · driest 14 mm in 2016 | 70 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 0 | 0 | 11 | 2 |
| February | 0 | 0 | 11 | 2 |
| March | 0 | 0 | 8 | 2 |
| April | <1 | 0 | 3 | <1 |
| May | 2 | <1 | <1 | 2 |
| June | 4 | <1 | 0 | 2 |
| July | 8 | 2 | 0 | 3 |
| August | 7 | 1 | 0 | 3 |
| September | 2 | <1 | 0 | 3 |
| October | <1 | 0 | 1 | 3 |
| November | 0 | 0 | 4 | 3 |
| December | 0 | 0 | 10 | 3 |
| Month | Warm & dry days | Wet days | Washouts | Week with 3+ wet days | Daytime mean has ranged |
|---|---|---|---|---|---|
| January | 0% | 43% | 6% | 56% | 2.9–8.2°C |
| February | 0% | 35% | 5% | 48% | 3.8–9.8°C |
| March | <1% | 35% | 5% | 45% | 6.7–12.4°C |
| April | 8% | 29% | 3% | 37% | 11.1–16.2°C |
| May | 24% | 29% | 5% | 37% | 14.4–19.5°C |
| June | 38% | 32% | 7% | 41% | 18.0–22.5°C |
| July | 52% | 33% | 8% | 40% | 19.2–24.0°C |
| August | 57% | 32% | 8% | 44% | 19.7–24.0°C |
| September | 28% | 37% | 9% | 50% | 17.2–20.9°C |
| October | 5% | 40% | 10% | 53% | 12.8–16.9°C |
| November | 0% | 45% | 9% | 61% | 7.9–11.6°C |
| December | 0% | 44% | 7% | 62% | 3.5–8.8°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.
The evidence behind this page