Bartoszyce weather in May

In May, Bartoszyce sees average daytime highs of 17°C and overnight lows near 7°C, with 61 mm of precipitation across 11.3 wet days and about 15.7 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 19°C by the end. The sky is clear or mostly clear about 27% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 48 min at the start of May to 16 h 30 min by month's end. Set against the rest of the year, May is Bartoszyce's 3rd-clearest and 9th-windiest month. For the whole year in context, see Bartoszyce's year-round climate.

Daytime high
17°
5th warmest
Overnight low
8th coldest
Precipitation
61 mm
11.3 wet days
Daylight
15 h 42 min
3:41 AM – 7:25 PM
Cloud cover
61%
3rd clearest
Wind
12 km/h
9th windiest
Solar energy
5.27 kWh/m²
Travel score
5.4
out of 10

Bartoszyce is city and urban gmina of Poland.

Density
2,135/km²
people per km²
Founded
1240

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 16°C in the first days to 19°C by the end.

A typical May day in Bartoszyce reaches about 17°C in the afternoon and slips back to 7°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 24°C. Set against its neighbours, May runs about 5°C warmer than April and about 3°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1165
2166
3166
4166
5166
6166
7166
8166
9176
10177
11177
12177
13177
14177
15177
16177
17177
18178
19188
20188
21188
22188
23188
24188
25188
26199
27199
28199
29199
30199
31199

How May really feels in Bartoszyce

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Bartoszyce weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°45116.77.70.0
Feb / -4°389.65.69.30.0
Mar / -1°4410.2411.50.4
Apr12° / 4310.21.313.73.2
May17° / 6111.30.115.75.4
Jun20° / 11°7312.6016.85.8
Jul22° / 13°8413.1016.46.3
Aug22° / 13°7012014.76.4
Sep17° / 569.7012.55.5
Oct11° / 5410.60.310.22.8
Nov / 45102.48.20.4
Dec / -2°4510.45.47.20.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34753
44753
54654
64555
74555
84555
94555
104456
114357
124357
134258
144258
154357
164258
174258
184258
194258
204357
214258
224258
234258
244357
254456
264456
274456
284456
294555
304654
314654

Chance of precipitation in May

Any precipitation

Bartoszyce gets around 61 mm of rain and snow over 11.3 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 36% and peaks near 39% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)
130
230
331
432
533
634
735
836
937
1037
1138
1239
1339
1439
1539
1639
1739
1839
1939
2039
2138
2238
2338
2437
2537
2636
2736
2836
2936
3035
3135

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
110000
210000
310000
49910
59910
69910
79910
89820
99820
109730
119730
129640
139550
149550
159460
169460
179370
189370
199181
209181
219091
229091
2389101
2488102
2587112
2687112
2786122
2886122
2984133
3084133
3183143

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 48 min at the start of May to 16 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 102 minutes over May. Sunrise moves from 4:10 AM to 3:20 AM, and sunset from 6:58 PM to 7:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:106:58
214.94:087:00
314.94:057:02
415.04:037:04
515.14:017:06
615.13:597:08
715.23:577:09
815.33:557:11
915.33:537:13
1015.43:517:15
1115.53:507:17
1215.53:487:18
1315.63:467:20
1415.63:447:22
1515.73:427:24
1615.73:417:25
1715.83:397:27
1815.93:377:29
1915.93:367:30
2016.03:347:32
2116.03:337:34
2216.13:317:35
2316.13:307:37
2416.23:287:38
2516.23:277:40
2616.33:267:41
2716.33:247:43
2816.43:237:44
2916.43:227:46
3016.43:217:47
3116.53:207:48

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.27 kWh/m².

For context, solar energy here swings from a low near 0.42 kWh/m² to a high of 5.42 kWh/m² in June across the year — May's 5.27 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.3Bright
195.3Bright
205.3Bright
215.4Bright
225.4Bright
235.4Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in May

Is May a good time to visit Bartoszyce?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.4
Sightseeing
5th-best month of the year
1.5
Beach & pool
5th-best month of the year

May is a reasonable time to visit Bartoszyce for sightseeing.

What to pack for Bartoszyce in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Bartoszyce sees daytime highs around 17°C and nights near 7°C. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Bartoszyce in May

The nearest coast averages about 10°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 69 km away) is warmest in August at about 19°C and coldest in February near 2°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan4Bracing
Feb2Bracing
Mar3Bracing
Apr6Bracing
May10Bracing
Jun15Bracing
Jul18Cool
Aug19Cool
Sep16Cool
Oct12Bracing
Nov9Bracing
Dec6Bracing

UV index in Bartoszyce in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bartoszyce peaks around July 14 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 20 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 14UV 6Dec 20UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Moderate
Apr4Moderate
May5Moderate
Jun6High
Jul6High
Aug5High
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Bartoszyce?

Bartoszyce sits at 54.3°N, 20.8°E, 41 m above sea level, in Poland. The nearest listed city is Lidzbark Warmiński, 21 km away.

KętrzynGierłożKaliningradMrągowoOlsztynSvetlyyBraniewo

Topography around Bartoszyce

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bartoszyce.

Within 3 km, the terrain around Bartoszyce has only modest variations in elevation — a maximum elevation change of 48 m around an average of 58 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 132 m; within 80 km, only modest variations in elevation — a maximum elevation change of 237 m.

The land around Bartoszyce is covered by cropland (41%), grassland (26%) and trees (20%) within 3 km, cropland (49%), trees (29%) and grassland (21%) within 16 km, and trees (37%), grassland (29%) and cropland (24%) within 80 km.

3 km
48 m
16 km
132 m
80 km
237 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Lidzbark Warmiński 21 km · Kętrzyn 42 km · Gierłoż 49 km · Kaliningrad 54 km · Mrągowo 54 km · Olsztyn 56 km · Svetlyy 64 km · Braniewo 66 km

Poland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 52% of US
price level, 2025
GDP per capita
$28,420
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
9.4
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 600
Religion
Roman Catholic 71%refused to answer 21%no religion 7%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Bartoszyce (54.2535°, 20.8082°, elevation 41 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).