Senica weather in May

In May, Senica sees average daytime highs of 20°C and overnight lows near 10°C, with 74 mm of rain across 11.7 wet days and about 15 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 19°C in the first days to 21°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 18 min at the start of May to 15 h 36 min by month's end. Set against the rest of the year, May is Senica's 6th-clearest and 7th-windiest month. For the whole year in context, see Senica's year-round climate.

Daytime high
20°
5th warmest
Overnight low
10°
8th coldest
Rainfall
74 mm
11.7 wet days
Daylight
15 hours
4:16 AM – 7:17 PM
Cloud cover
61%
6th clearest
Wind
12 km/h
7th windiest
Solar energy
5.37 kWh/m²
Travel score
6.0
out of 10

Senica is town in Slovakia.

Air quality
Moderate
PM2.5 13.9 µg/m³ · 2019
Density
385/km²
people per km²
Founded
1217

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 19°C in the first days to 21°C by the end.

A typical May day in Senica reaches about 20°C in the afternoon and slips back to 10°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 26°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1199
2199
3199
4199
5199
6199
7199
8199
9199
10199
111910
121910
132010
142010
152010
162010
172010
182010
192010
202010
212011
222011
232111
242111
252111
262111
272111
282112
292112
302212
312212

How May really feels in Senica

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.

Senica 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 / -3°3694.88.50.0
Feb / -2°358.33.99.80.1
Mar / 4392.111.62.0
Apr15° / 468.80.413.44.8
May20° / 10°7411.70156.0
Jun24° / 14°8411.6015.96.6
Jul26° / 15°9211.8015.56.6
Aug26° / 15°7410.2014.26.8
Sep20° / 11°719.3012.46.4
Oct14° / 488.80.210.54.1
Nov / 469.1291.2
Dec / -2°429.23.88.10.0

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 19% of May, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24753
34753
44753
54654
64654
74555
84555
94555
104456
114456
124456
134456
144456
154456
164555
174555
184555
194555
204555
214555
224654
234654
244654
254753
264753
274753
284654
294654
304654
314753

Chance of precipitation in May

Any precipitation

Senica gets around 74 mm of rain over 11.7 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
234
334
435
536
636
737
837
937
1038
1138
1238
1338
1438
1538
1638
1738
1838
1938
2038
2138
2238
2338
2438
2538
2639
2739
2839
2940
3040
3141

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19730
29640
39640
49550
59460
69460
79370
89370
99370
109280
119280
129280
139280
149280
159190
169190
179190
1889101
1988111
2088111
2187121
2285132
2384142
2482153
2580173
2678184
2777194
2874215
2973225
3070246
3168257

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 11 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
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 18 min at the start of May to 15 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over May. Sunrise moves from 4:39 AM to 4:00 AM, and sunset from 6:56 PM to 7:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:396:56
214.34:386:58
314.44:366:59
414.44:347:01
514.54:327:02
614.54:317:03
714.64:297:05
814.64:287:06
914.74:267:08
1014.74:257:09
1114.84:237:11
1214.84:227:12
1314.94:207:13
1414.94:197:15
1515.04:177:16
1615.04:167:17
1715.14:157:19
1815.14:137:20
1915.24:127:21
2015.24:117:23
2115.24:107:24
2215.34:097:25
2315.34:087:27
2415.44:077:28
2515.44:067:29
2615.44:057:30
2715.54:047:31
2815.54:037:32
2915.54:027:33
3015.64:017:35
3115.64:007:36

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.37 kWh/m².

For context, solar energy here swings from a low near 0.81 kWh/m² to a high of 5.75 kWh/m² in June across the year — May's 5.37 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.4Bright
195.4Bright
205.4Bright
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 Senica?

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

6.0
Sightseeing
5th-best month of the year
3.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Senica for sightseeing.

What to pack for Senica in May

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

In May, Senica sees daytime highs around 20°C and nights near 10°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

UV index in Senica in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Senica peaks around July 11 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 11UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun7Very high
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Senica in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Senica is worst in June — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Senica's WHO annual average of 13.9 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 1516 µg/m³Dec 1211 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Moderate
Mar16Moderate
Apr16Moderate
May16Moderate
Jun17Moderate
Jul16Moderate
Aug15Moderate
Sep13Moderate
Oct12Good
Nov11Good
Dec11Good
Location & terrain

Where is Senica?

Senica sits at 48.7°N, 17.4°E, 209 m above sea level, in Slovakia. The nearest listed city is Skalica, 21 km away.

HodonínPiešťanyNové Mesto nad VáhomBřeclavMalackyTrnavaHlohovec

Topography around Senica

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

Within 3 km, the terrain around Senica has only modest variations in elevation — a maximum elevation change of 109 m around an average of 215 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 455 m; within 80 km, large variations in elevation — a maximum elevation change of 933 m.

The land around Senica is covered by cropland (68%) within 3 km, trees (45%) and cropland (36%) within 16 km, and cropland (51%) and trees (34%) within 80 km.

3 km
109 m
16 km
455 m
80 km
933 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Skalica 21 km · Hodonín 26 km · Piešťany 35 km · Nové Mesto nad Váhom 35 km · Břeclav 37 km · Malacky 37 km · Trnava 37 km · Hlohovec 42 km

Slovakia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E / F
230 V · 50 Hz
Prices
≈ 58% of US
price level, 2025
GDP per capita
$28,544
2025
Happiness
6.3 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
6.1
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 606
Religion
Roman Catholic 56%none 24%Evangelical Church of the Augsburg Confession 5%Greek Catholic 4%

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 Senica (48.6792°, 17.367°, elevation 209 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).