August
Other strong months: July and June
81/100 weather score
Poland · 1991–2020
Best time to visit
Łomża
For Łomża, August has the most comfortable weather in our climate comparison. Typical daytime highs are 23.7°C, nights average 11°C, and rainfall totals about 72 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthAugust
Typical daytime high23.7°C
Typical night-time low11°C
August rainfall72 mm
June
Other strong months: September and May
79/100 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.
4 months fit your choices for Łomża
The lowest comfort score is 5 out of 100. January, February, March, November and December share that score. In January, that is mainly because days reach only -0.5°C, 24° below the 24°C the score treats as ideal.
Quick answers
Planning a trip to Łomża?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit Łomża?
August is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 23.7°C and 72 mm of rain.
What is the hottest month in Łomża?
July is hottest in this record, with a typical daytime high of 24.3°C and a night-time low of 12.1°C.
Which month has the least rain?
February and March have the lowest monthly rainfall total at 36 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 | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|
| January | -0.5°C | -5.8°C | 37 mm | 10.2 | 8 h 03 | 5 | Strong coverage |
| February | 1.1°C | -5.4°C | 36 mm | 9.3 | 9 h 44 | 5 | Strong coverage |
| March | 6.1°C | -3°C | 36 mm | 8.8 | 11 h 40 | 5 | Strong coverage |
| April | 13.6°C | 1.6°C | 42 mm | 8.1 | 13 h 53 | 36 | Strong coverage |
| May | 19.2°C | 6°C | 84 mm | 10 | 15 h 49 | 55 | Strong coverage |
| June | 22.1°C | 9.8°C | 72 mm | 9.5 | 16 h 56 | 74 | Strong coverage |
| July | 24.3°C | 12.1°C | 84 mm | 10.3 | 16 h 29 | 80 | Strong coverage |
| August | 23.7°C | 11°C | 72 mm | 8.9 | 14 h 46 | 81 | Strong coverage |
| September | 18.1°C | 7.1°C | 65 mm | 8.9 | 12 h 36 | 57 | Strong coverage |
| October | 11.7°C | 3°C | 63 mm | 9.1 | 10 h 28 | 29 | Strong coverage |
| November | 5.3°C | -0.2°C | 42 mm | 9.4 | 8 h 33 | 5 | Strong coverage |
| December | 1.1°C | -3.9°C | 47 mm | 11.2 | 7 h 33 | 5 | Strong coverage |
What has changed
Recent daytime highs are
2.1°C warmer in Łomża.
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
+2.0
Feb
+2.5
Mar
+2.8
Apr
+1.8
May
+0.9
Jun
+2.6
Jul
+2.5
Aug
+2.6
Sep
+2.3
Oct
+1.2
Nov
+1.4
Dec
+2.3
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 15.9°C1 Jan 2023 | -34.6°C30 Jan 1987 | 21 mm19 Jan 2007 | 84 mm2022 · driest 1 mm in 1997 | 65 |
| February | 16.4°C21 Feb 1990 | -31.1°C1 Feb 1956 | 60 mm4 Feb 2022 | 104 mm2022 · driest 0 mm in 1984 | 65 |
| March | 20.3°C21 Mar 2014 | -23.6°C3 Mar 1987 | 51 mm25 Mar 1981 | 79 mm1981 · driest 0 mm in 1982 | 66 |
| April | 29.3°C30 Apr 2012 | -8.0°C23 Apr 1981 | 32 mm2 Apr 2018 | 103 mm1994 · driest 1 mm in 1984 | 66 |
| May | 31.1°C29 May 2005 | -5.0°C5 May 1980 | 88 mm8 May 2017 | 154 mm1994 · driest 2 mm in 1986 | 66 |
| June | 35.7°C28 Jun 2026 | -0.2°C3 Jun 1991 | 56 mm23 Jun 2020 | 145 mm2009 · driest 0 mm in 2025 | 66 |
| July | 36.1°C12 Jul 1959 | -1.1°C3 Jul 1990 | 58 mm13 Jul 2010 | 186 mm2016 · driest 1 mm in 1986 | 65 |
| August | 35.2°C29 Aug 1992 | 0.1°C27 Aug 1984 | 69 mm5 Aug 1979 | 217 mm2006 · driest 2 mm in 1983 | 65 |
| September | 33.6°C1 Sep 2015 | -5.1°C27 Sep 1986 | 101 mm19 Sep 1993 | 167 mm2013 · driest 3 mm in 1982 | 64 |
| October | 23.9°C2 Oct 1956 | -11.1°C31 Oct 1956 | 106 mm7 Oct 1993 | 208 mm1993 · driest 0 mm in 1982 | 65 |
| November | 18.5°C6 Nov 2014 | -19.2°C22 Nov 1998 | 80 mm22 Nov 1986 | 172 mm2022 · driest 0 mm in 1982 | 65 |
| December | 13.9°C5 Dec 1961 | -29.0°C27 Dec 1996 | 60 mm10 Dec 2022 | 281 mm2021 · driest 0 mm in 1984 | 65 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 0 | 0 | 17 | <1 |
| February | 0 | 0 | 17 | <1 |
| March | 0 | 0 | 17 | <1 |
| April | <1 | 0 | 9 | 1 |
| May | 4 | <1 | 2 | 2 |
| June | 8 | <1 | 0 | 2 |
| July | 13 | 3 | 0 | 2 |
| August | 11 | 2 | 0 | 2 |
| September | 2 | <1 | <1 | 1 |
| October | 0 | 0 | 6 | 1 |
| November | 0 | 0 | 10 | <1 |
| December | 0 | 0 | 17 | <1 |
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 0% | 39% | <1% | 48% | -5.0–3.2°C |
| February | 0% | 36% | 2% | 35% | -3.8–4.8°C |
| March | <1% | 32% | 1% | 36% | 0.7–9.1°C |
| April | 10% | 31% | 3% | 33% | 10.1–15.5°C |
| May | 33% | 33% | 6% | 46% | 15.8–21.0°C |
| June | 50% | 36% | 9% | 45% | 19.6–24.5°C |
| July | 54% | 39% | 9% | 52% | 20.5–26.6°C |
| August | 61% | 31% | 7% | 40% | 20.4–25.9°C |
| September | 29% | 32% | 5% | 38% | 14.7–20.5°C |
| October | 4% | 31% | 5% | 39% | 9.4–14.0°C |
| November | 0% | 36% | 3% | 39% | 2.5–7.3°C |
| December | 0% | 39% | 3% | 49% | -2.3–3.6°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 766027
- NOAA station
- PLM00012295 · BIALYSTOK
- Station distance
- 74.4 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 25 usable years
- Daylight
- Calculated from latitude 53.18°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- 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 Łomża 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