Hollola weather in May

In May, Hollola sees average daytime highs of 15°C and overnight lows near 5°C, with 48 mm of precipitation across 9.9 wet days and about 17 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 13°C in the first days to 17°C by the end. The sky is clear or mostly clear about 24% of the time in May, and the air most often feels dry.

Daylight stretches from about 15 h 42 min at the start of May to 18 h 06 min by month's end. Set against the rest of the year, May is Hollola's 1st-clearest and 9th-windiest month. For the whole year in context, see Hollola's year-round climate.

Daytime high
15°
4th warmest
Overnight low
8th coldest
Precipitation
48 mm
9.9 wet days
Daylight
17 hours
3:43 AM – 8:45 PM
Cloud cover
63%
1st clearest
Wind
11 km/h
9th windiest
Solar energy
5.16 kWh/m²
Travel score
4.5
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 13°C in the first days to 17°C by the end.

A typical May day in Hollola reaches about 15°C in the afternoon and slips back to 5°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 22°C. Set against its neighbours, May runs about 7°C warmer than April and about 4°C cooler than June.

10°20°151015202531
Avg high (°C)Avg low (°C)
1122
2123
3133
4133
5133
6133
7133
8143
9144
10144
11144
12144
13144
14155
15155
16155
17155
18155
19155
20166
21166
22166
23166
24166
25167
26177
27177
28177
29177
30178
31178

How May really feels in Hollola

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 5 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
5
wind chill below the day's low

The story in May is cold — wind chill drags the overnight "feels like" below the raw low.

Hollola weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -8°4110.210.76.10.0
Feb-3° / -9°338.28.58.50.0
Mar / -6°338.48.211.30.0
Apr / -1°348.83.414.21.4
May15° / 489.90.2174.5
Jun19° / 10°7512.6018.75.5
Jul21° / 13°7712.70186.1
Aug20° / 11°6812.1015.55.8
Sep14° / 5210012.64.0
Oct / 5710.91.79.71.0
Nov / -1°5010.95.46.90.0
Dec-1° / -5°4711.29.65.30.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in May, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33961
43961
54060
64060
74060
83961
93961
103961
113961
124060
134060
144060
153961
163961
173961
183862
193862
203862
213862
223862
233862
243862
253862
263961
273961
284060
294060
303961
314060

Chance of precipitation in May

Any precipitationSnow

Hollola gets around 48 mm of rain and snow over 9.9 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 31% and peaks near 36% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1284
2283
3283
4283
5282
6282
7282
8282
9281
10281
11291
12291
13291
14291
15301
16301
17311
18321
19331
20331
21341
22340
23350
24350
25350
26350
27360
28360
29360
30360
31360

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 99% 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
410000
510000
610000
710000
810000
910000
1010000
1110000
1210000
139910
149910
159910
169910
179910
189910
199910
209820
219820
229820
239820
249820
259730
269730
279730
289631
299631
309631
319541

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 15 h 42 min at the start of May to 18 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 144 minutes over May. Sunrise moves from 4:24 AM to 3:12 AM, and sunset from 8:06 PM to 9:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.74:248:06
215.84:218:09
315.94:188:12
416.04:158:14
516.14:138:17
616.24:108:20
716.34:078:22
816.34:048:25
916.44:028:27
1016.53:598:30
1116.63:568:32
1216.73:548:35
1316.83:518:38
1416.93:488:40
1516.93:468:43
1617.03:438:45
1717.13:418:47
1817.23:398:50
1917.33:368:52
2017.33:348:55
2117.43:328:57
2217.53:298:59
2317.63:279:02
2417.63:259:04
2517.73:239:06
2617.83:219:09
2717.93:199:11
2817.93:179:13
2918.03:159:15
3018.13:149:17
3118.13:129:19

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.16 kWh/m².

For context, solar energy here swings from a low near 0.12 kWh/m² to a high of 5.3 kWh/m² in June across the year — May's 5.16 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.8Bright
54.8Bright
64.8Bright
74.9Bright
84.9Bright
95.0Bright
105.0Bright
115.1Bright
125.1Bright
135.1Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.5Bright
Planning a trip in May

Is May a good time to visit Hollola?

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

4.5
Sightseeing
4th-best month of the year
0.4
Beach & pool
4th-best month of the year

May is a reasonable time to visit Hollola for sightseeing.

What to pack for Hollola in May

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

In May, Hollola sees daytime highs around 15°C and nights near 5°C. Worth packing: a warm layer, rain gear and sun protection. About 10 days see rain.

a warm layerrain gearsun protection

UV index in Hollola in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hollola peaks around June 19 at about 5 (moderate) — a little sun protection helps at midday. It bottoms out near December 19 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateLowJun 19UV 5Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5Moderate
Jul5Moderate
Aug4Moderate
Sep2Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Hollola?

Hollola sits at 61.0°N, 25.5°E, 140 m above sea level, in Finland. The nearest listed city is Lahti, 9.0 km away.

Topography around Hollola

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

Within 3 km, the terrain around Hollola has only modest variations in elevation — a maximum elevation change of 142 m around an average of 145 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 159 m; within 80 km, only modest variations in elevation — a maximum elevation change of 226 m.

The land around Hollola is covered by trees (74%) within 3 km, trees (61%) within 16 km, and trees (70%) within 80 km.

3 km
142 m
16 km
159 m
80 km
226 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Lahti 9.0 km · Orimattila 25 km · Heinola 37 km · Mäntsälä 42 km · Riihimäki 49 km · Janakkala 50 km · Hyvinge 53 km · Hämeenlinna 56 km

Finland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 85% of US
price level, 2025
GDP per capita
$56,149
2025
Happiness
7.8 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1
per 100k, 2023
Road deaths
3.9
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 603
Religion
Lutheran 67%none 31%other 2%Greek Orthodox 1%

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 Hollola (61°, 25.5°, elevation 140 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).