July
July · August · June
Czechia · 1991–2020
July leads for comfortable weather in Děčín: typically 23.8°C by day, 13.2°C at night, with 95 mm of rain. Based on measured 1991–2020 NOAA station history.
July · August · June
July · August · June
September · May · June
The weakest month is January, scoring 5 against July’s 81 — days reach only 1.8°C, 22° 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 | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|
| January | 1.8°C | -2.8°C | 61 mm | 12.2 | 8 h 24 | 5 | Strong coverage |
| February | 3.4°C | -2.2°C | 45 mm | 9.8 | 9 h 56 | 5 | Strong coverage |
| March | 7.7°C | 0.3°C | 54 mm | 10.5 | 11 h 42 | 10 | Strong coverage |
| April | 13.8°C | 4°C | 38 mm | 7.8 | 13 h 44 | 42 | Strong coverage |
| May | 18.3°C | 8°C | 66 mm | 9.8 | 15 h 29 | 58 | Strong coverage |
| June | 21.5°C | 11.3°C | 87 mm | 10.6 | 16 h 28 | 71 | Strong coverage |
| July | 23.8°C | 13.2°C | 95 mm | 10.7 | 16 h 05 | 81 | Strong coverage |
| August | 23.6°C | 13°C | 93 mm | 10 | 14 h 32 | 81 | Strong coverage |
| September | 18.4°C | 9.5°C | 61 mm | 9 | 12 h 33 | 62 | Strong coverage |
| October | 12.5°C | 5.8°C | 61 mm | 9.9 | 10 h 36 | 36 | Strong coverage |
| November | 6.4°C | 1.9°C | 58 mm | 10.3 | 8 h 52 | 9 | Strong coverage |
| December | 2.6°C | -1.5°C | 61 mm | 11.7 | 7 h 58 | 5 | Strong coverage |
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 15.7°C10 Jan 1991 | -21.0°C23 Jan 2006 | 34 mm20 Jan 2005 | 120 mm2019 · driest 1 mm in 1996 | 36 |
| February | 15.8°C24 Feb 2008 | -20.6°C12 Feb 2012 | 26 mm3 Feb 2020 | 102 mm2020 · driest 4 mm in 2018 | 36 |
| March | 23.5°C31 Mar 2021 | -14.3°C1 Mar 2018 | 30 mm15 Mar 1994 | 172 mm2000 · driest 12 mm in 2022 | 36 |
| April | 28.3°C29 Apr 2012 | -7.2°C1 Apr 1996 | 30 mm14 Apr 2023 | 78 mm1995 · driest 1 mm in 2007 | 36 |
| May | 31.0°C28 May 2018 | -2.2°C4 May 2011 | 42 mm23 May 2016 | 132 mm2016 · driest 25 mm in 2023 | 36 |
| June | 38.1°C28 Jun 2026 | 1.8°C6 Jun 2012 | 50 mm9 Jun 1996 | 217 mm2013 · driest 28 mm in 2000 | 36 |
| July | 35.5°C31 Jul 2018 | 5.2°C20 Jul 1996 | 78 mm17 Jul 2021 | 196 mm2011 · driest 20 mm in 2018 | 35 |
| August | 36.8°C7 Aug 2015 | 2.6°C24 Aug 2025 | 79 mm1 Aug 2002 | 300 mm2010 · driest 8 mm in 2003 | 35 |
| September | 33.2°C4 Sep 2024 | 0.6°C28 Sep 2013 | 53 mm13 Sep 2024 | 161 mm2001 · driest 10 mm in 2023 | 35 |
| October | 26.0°C1 Oct 2011 | -6.6°C28 Oct 1997 | 30 mm13 Oct 2020 | 129 mm2017 · driest 15 mm in 1995 | 35 |
| November | 18.3°C2 Nov 2020 | -13.4°C22 Nov 1998 | 31 mm29 Nov 2015 | 151 mm2015 · driest 1 mm in 2011 | 35 |
| December | 15.6°C31 Dec 2022 | -21.8°C29 Dec 1996 | 30 mm23 Dec 2023 | 120 mm2018 · driest 24 mm in 2020 | 35 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 0 | 0 | 22 | 1 |
| February | 0 | 0 | 19 | <1 |
| March | 0 | 0 | 14 | 1 |
| April | <1 | 0 | 5 | <1 |
| May | 3 | <1 | <1 | 2 |
| June | 7 | 1 | 0 | 3 |
| July | 13 | 3 | 0 | 3 |
| August | 12 | 3 | 0 | 3 |
| September | 2 | <1 | 0 | 2 |
| October | <1 | 0 | 3 | 2 |
| November | 0 | 0 | 10 | 1 |
| December | 0 | 0 | 19 | 2 |
| Month | Warm & dry days | Wet days | Washouts | Week with 3+ wet days | Daytime mean has ranged |
|---|---|---|---|---|---|
| January | 0% | 40% | 4% | 53% | -1.9–4.7°C |
| February | 0% | 35% | 3% | 47% | 0.0–7.1°C |
| March | <1% | 32% | 4% | 41% | 5.5–11.1°C |
| April | 13% | 26% | 3% | 30% | 11.3–16.4°C |
| May | 29% | 32% | 6% | 41% | 15.4–20.7°C |
| June | 46% | 34% | 8% | 46% | 19.2–24.7°C |
| July | 56% | 35% | 10% | 48% | 21.0–26.2°C |
| August | 57% | 33% | 9% | 44% | 21.2–26.3°C |
| September | 31% | 30% | 6% | 36% | 16.2–21.5°C |
| October | 4% | 33% | 5% | 43% | 10.3–15.2°C |
| November | 0% | 35% | 5% | 44% | 4.0–8.4°C |
| December | 0% | 38% | 5% | 53% | -0.4–5.0°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