Paiján weather in May

In May, Paiján sees average daytime highs of 25°C and overnight lows near 18°C, with 3 mm of rain across 0.8 wet days and about 11.7 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 24°C by the end. The sky is clear or mostly clear about 41% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 h 42 min at the start of May to 11 h 36 min by month's end. Set against the rest of the year, May is Paiján's 4th-clearest and 7th-windiest month. For the whole year in context, see Paiján's year-round climate.

Daytime high: 25°; 6th warmest
Overnight low: 18°; 7th coldest
Rainfall: 3 mm; 0.8 wet days
Daylight: 11 h 36 min; 6:24 AM – 6:03 PM
Cloud cover: 49%; 4th clearest
Wind: 9 km/h; 7th windiest
Solar energy: 5.47 kWh/m²
Travel score: 8.5; out of 10

Paiján is human settlement in Peru.

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

← April Paiján year-round climate June →Best places to visit in May

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 26°C in the first days to 24°C by the end.

A typical May day in Paiján reaches about 25°C in the afternoon and slips back to 18°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, May runs about 2°C cooler than April and about 2°C warmer than June.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	26	26	26	26	26	26	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	24	24	24	24	24	24	24	24	24	24
Avg low (°C)	19	19	19	19	19	19	19	19	19	19	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18

	Avg high (°C)	Avg low (°C)
1	26	19
2	26	19
3	26	19
4	26	19
5	26	19
6	26	19
7	25	19
8	25	19
9	25	19
10	25	19
11	25	18
12	25	18
13	25	18
14	25	18
15	25	18
16	25	18
17	25	18
18	25	18
19	25	18
20	25	18
21	25	18
22	24	18
23	24	18
24	24	18
25	24	18
26	24	18
27	24	18
28	24	18
29	24	18
30	24	18
31	24	18

Paiján weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	27° / 20°	18	4.8	12.4	6.8
Feb	28° / 21°	38	8.1	12.3	5.8
Mar	28° / 21°	51	11.9	12.1	5.5
Apr	27° / 20°	17	4	11.8	7.3
May	25° / 18°	3	0.8	11.7	8.5
Jun	23° / 17°	2	0.4	11.6	8.6
Jul	22° / 16°	1	0.1	11.6	8.4
Aug	22° / 16°	2	0.2	11.7	8.4
Sep	22° / 16°	3	0.7	12	8.1
Oct	23° / 16°	4	1.2	12.2	8.0
Nov	24° / 17°	4	1	12.4	8.1
Dec	25° / 18°	11	3	12.4	7.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 24% of May, with mostly cloudy or overcast conditions the remaining 34%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	61	62	64	65	65	67	68	68	68	69	69	68	68	68	68	67	66	66	65	65	65	65	65	64	64	64	65	66	66	67	67
Cloudier (%)	39	38	36	35	35	33	32	32	32	31	31	32	32	32	32	33	34	34	35	35	35	35	35	36	36	36	35	34	34	33	33

	Clearer (%)	Cloudier (%)
1	61	39
2	62	38
3	64	36
4	65	35
5	65	35
6	67	33
7	68	32
8	68	32
9	68	32
10	69	31
11	69	31
12	68	32
13	68	32
14	68	32
15	68	32
16	67	33
17	66	34
18	66	34
19	65	35
20	65	35
21	65	35
22	65	35
23	65	35
24	64	36
25	64	36
26	64	36
27	65	35
28	66	34
29	66	34
30	67	33
31	67	33

Chance of precipitation in May

Any precipitation

Paiján gets around 3 mm of rain over 0.8 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 3% and peaks near 4% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	4	4	4	4	4	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	2	2	2	2	2	2	2	2

	Rain chance (%)
1	4
2	4
3	4
4	4
5	4
6	3
7	3
8	3
9	3
10	3
11	3
12	3
13	3
14	3
15	3
16	3
17	3
18	3
19	3
20	3
21	3
22	3
23	3
24	2
25	2
26	2
27	2
28	2
29	2
30	2
31	2

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 19% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Comfortable (%)	1	1	1	2	2	3	3	4	5	6	7	8	10	11	13	14	16	18	20	21	23	25	26	27	29	30	31	32	33	33	34
Humid (%)	69	70	71	71	72	71	72	72	72	71	71	70	69	68	67	66	65	64	62	62	61	59	59	59	57	57	56	56	56	56	56
Muggy (%)	30	29	28	27	26	26	25	24	23	23	22	22	21	21	20	20	19	18	18	17	16	16	15	14	14	13	13	12	11	11	10

	Comfortable (%)	Humid (%)	Muggy (%)
1	1	69	30
2	1	70	29
3	1	71	28
4	2	71	27
5	2	72	26
6	3	71	26
7	3	72	25
8	4	72	24
9	5	72	23
10	6	71	23
11	7	71	22
12	8	70	22
13	10	69	21
14	11	68	21
15	13	67	20
16	14	66	20
17	16	65	19
18	18	64	18
19	20	62	18
20	21	62	17
21	23	61	16
22	25	59	16
23	26	59	15
24	27	59	14
25	29	57	14
26	30	57	13
27	31	56	13
28	32	56	12
29	33	56	11
30	33	56	11
31	34	56	10

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	10	10
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	9	calm
2	9	calm
3	9	calm
4	9	calm
5	9	calm
6	9	calm
7	9	calm
8	9	calm
9	9	calm
10	9	calm
11	9	calm
12	9	calm
13	9	calm
14	9	calm
15	9	calm
16	9	calm
17	9	calm
18	9	calm
19	9	calm
20	9	calm
21	9	calm
22	9	calm
23	9	calm
24	9	calm
25	9	calm
26	9	calm
27	9	calm
28	9	calm
29	9	calm
30	10	calm
31	10	calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 42 min at the start of May to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 6:22 AM to 6:27 AM, and sunset from 6:06 PM to 6:02 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6
Sunrise (AM)	6:22	6:23	6:23	6:23	6:23	6:23	6:23	6:23	6:23	6:23	6:23	6:23	6:24	6:24	6:24	6:24	6:24	6:24	6:25	6:25	6:25	6:25	6:25	6:25	6:26	6:26	6:26	6:26	6:27	6:27	6:27
Sunset (PM)	6:06	6:06	6:06	6:05	6:05	6:05	6:05	6:04	6:04	6:04	6:04	6:04	6:03	6:03	6:03	6:03	6:03	6:03	6:03	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02	6:02

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.7	6:22	6:06
2	11.7	6:23	6:06
3	11.7	6:23	6:06
4	11.7	6:23	6:05
5	11.7	6:23	6:05
6	11.7	6:23	6:05
7	11.7	6:23	6:05
8	11.7	6:23	6:04
9	11.7	6:23	6:04
10	11.7	6:23	6:04
11	11.7	6:23	6:04
12	11.7	6:23	6:04
13	11.7	6:24	6:03
14	11.7	6:24	6:03
15	11.7	6:24	6:03
16	11.6	6:24	6:03
17	11.6	6:24	6:03
18	11.6	6:24	6:03
19	11.6	6:25	6:03
20	11.6	6:25	6:02
21	11.6	6:25	6:02
22	11.6	6:25	6:02
23	11.6	6:25	6:02
24	11.6	6:25	6:02
25	11.6	6:26	6:02
26	11.6	6:26	6:02
27	11.6	6:26	6:02
28	11.6	6:26	6:02
29	11.6	6:27	6:02
30	11.6	6:27	6:02
31	11.6	6:27	6:02

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.47 kWh/m².

For context, solar energy here swings from a low near 5.26 kWh/m² to a high of 6.84 kWh/m² in November across the year — May's 5.47 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.3	5.3	5.3
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.6	Bright
2	5.6	Bright
3	5.6	Bright
4	5.6	Bright
5	5.6	Bright
6	5.6	Bright
7	5.6	Bright
8	5.5	Bright
9	5.5	Bright
10	5.5	Bright
11	5.5	Bright
12	5.5	Bright
13	5.5	Bright
14	5.5	Bright
15	5.5	Bright
16	5.5	Bright
17	5.5	Bright
18	5.5	Bright
19	5.5	Bright
20	5.4	Bright
21	5.4	Bright
22	5.4	Bright
23	5.4	Bright
24	5.4	Bright
25	5.4	Bright
26	5.4	Bright
27	5.4	Bright
28	5.4	Bright
29	5.3	Bright
30	5.3	Bright
31	5.3	Bright

Planning a trip in May

Is May a good time to visit Paiján?

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

8.5

Sightseeing

2nd-best month of the year

7.5

Beach & pool

1st-best month of the year

May is one of the better times to visit Paiján for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Paiján in May

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

In May, Paiján sees daytime highs around 25°C and nights near 18°C. Worth packing: light clothes and sun protection.

light clothessun protection

Sea temperature near Paiján in May

The nearest coast averages about 19°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 18 km away) is warmest in February at about 22°C and coldest in October near 17°C.

It's comfortable for a long swim from Jan 3 to Apr 17 — about 3.5 months when the water holds above 20°C.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	21	22	22	20	19	19	18	17	17	17	18	19
Comfort	Refreshing	Refreshing	Refreshing	Refreshing	Cool	Cool	Cool	Cool	Cool	Cool	Cool	Cool

	Sea temperature (°C)	Comfort
Jan	21	Refreshing
Feb	22	Refreshing
Mar	22	Refreshing
Apr	20	Refreshing
May	19	Cool
Jun	19	Cool
Jul	18	Cool
Aug	17	Cool
Sep	17	Cool
Oct	17	Cool
Nov	18	Cool
Dec	19	Cool

UV index in Paiján in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Paiján peaks around February 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 10 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	15	16	15	13	12	9	10	11	12	14	14	13
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	15	Extreme
Feb	16	Extreme
Mar	15	Extreme
Apr	13	Extreme
May	12	Extreme
Jun	9	Very high
Jul	10	Very high
Aug	11	Extreme
Sep	12	Extreme
Oct	14	Extreme
Nov	14	Extreme
Dec	13	Extreme

Location & terrain

Where is Paiján?

Paiján sits at 7.7°S, 79.3°W, 93 m above sea level, in Peru. The nearest listed city is Chocope, 11 km away.

Topography around Paiján

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

Within 3 km, the terrain around Paiján has only modest variations in elevation — a maximum elevation change of 233 m around an average of 91 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 653 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,280 m.

The land around Paiján is covered by bare terrain (33%) and cropland (25%) within 3 km, bare terrain (41%) and cropland (28%) within 16 km, and water (33%) and bare terrain (30%) within 80 km.

3 km

233 m

bare terrain 33%

16 km

653 m

bare terrain 41%

80 km

4,280 m

water 33%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← April Paiján year-round climate June →Best places to visit in May

May weather nearby: Chocope 11 km · Santiago de Cao 26 km · San Pedro de Lloc 41 km · Pacasmayo 47 km · Trujillo 52 km · Laredo 55 km · Guadalupe 57 km · Chepén 58 km

Peru travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type A / B / C; 220 V · 60 Hz
Prices: ≈ 51% of US; price level, 2025
GDP per capita: $9,684; 2025
Happiness: 6.0 / 10; World Happiness, 2025
Safe drinking water: 49%; of population, 2024
Homicide rate: 8.6; per 100k, 2021
Road deaths: 13.6; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Moderate; EF EPI 519
Religion

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 Paiján (-7.7329°, -79.3015°, elevation 93 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).

	Avg high (°C)	Avg low (°C)
1	26	19
2	26	19
3	26	19
4	26	19
5	26	19
6	26	19
7	25	19
8	25	19
9	25	19
10	25	19
11	25	18
12	25	18
13	25	18
14	25	18
15	25	18
16	25	18
17	25	18
18	25	18
19	25	18
20	25	18
21	25	18
22	24	18
23	24	18
24	24	18
25	24	18
26	24	18
27	24	18
28	24	18
29	24	18
30	24	18
31	24	18

	Clearer (%)	Cloudier (%)
1	61	39
2	62	38
3	64	36
4	65	35
5	65	35
6	67	33
7	68	32
8	68	32
9	68	32
10	69	31
11	69	31
12	68	32
13	68	32
14	68	32
15	68	32
16	67	33
17	66	34
18	66	34
19	65	35
20	65	35
21	65	35
22	65	35
23	65	35
24	64	36
25	64	36
26	64	36
27	65	35
28	66	34
29	66	34
30	67	33
31	67	33

	Rain chance (%)
1	4
2	4
3	4
4	4
5	4
6	3
7	3
8	3
9	3
10	3
11	3
12	3
13	3
14	3
15	3
16	3
17	3
18	3
19	3
20	3
21	3
22	3
23	3
24	2
25	2
26	2
27	2
28	2
29	2
30	2
31	2

	Comfortable (%)	Humid (%)	Muggy (%)
1	1	69	30
2	1	70	29
3	1	71	28
4	2	71	27
5	2	72	26
6	3	71	26
7	3	72	25
8	4	72	24
9	5	72	23
10	6	71	23
11	7	71	22
12	8	70	22
13	10	69	21
14	11	68	21
15	13	67	20
16	14	66	20
17	16	65	19
18	18	64	18
19	20	62	18
20	21	62	17
21	23	61	16
22	25	59	16
23	26	59	15
24	27	59	14
25	29	57	14
26	30	57	13
27	31	56	13
28	32	56	12
29	33	56	11
30	33	56	11
31	34	56	10

	Avg high (°C)	Avg low (°C)
1	26	19
2	26	19
3	26	19
4	26	19
5	26	19
6	26	19
7	25	19
8	25	19
9	25	19
10	25	19
11	25	18
12	25	18
13	25	18
14	25	18
15	25	18
16	25	18
17	25	18
18	25	18
19	25	18
20	25	18
21	25	18
22	24	18
23	24	18
24	24	18
25	24	18
26	24	18
27	24	18
28	24	18
29	24	18
30	24	18
31	24	18

	Clearer (%)	Cloudier (%)
1	61	39
2	62	38
3	64	36
4	65	35
5	65	35
6	67	33
7	68	32
8	68	32
9	68	32
10	69	31
11	69	31
12	68	32
13	68	32
14	68	32
15	68	32
16	67	33
17	66	34
18	66	34
19	65	35
20	65	35
21	65	35
22	65	35
23	65	35
24	64	36
25	64	36
26	64	36
27	65	35
28	66	34
29	66	34
30	67	33
31	67	33

	Rain chance (%)
1	4
2	4
3	4
4	4
5	4
6	3
7	3
8	3
9	3
10	3
11	3
12	3
13	3
14	3
15	3
16	3
17	3
18	3
19	3
20	3
21	3
22	3
23	3
24	2
25	2
26	2
27	2
28	2
29	2
30	2
31	2

	Comfortable (%)	Humid (%)	Muggy (%)
1	1	69	30
2	1	70	29
3	1	71	28
4	2	71	27
5	2	72	26
6	3	71	26
7	3	72	25
8	4	72	24
9	5	72	23
10	6	71	23
11	7	71	22
12	8	70	22
13	10	69	21
14	11	68	21
15	13	67	20
16	14	66	20
17	16	65	19
18	18	64	18
19	20	62	18
20	21	62	17
21	23	61	16
22	25	59	16
23	26	59	15
24	27	59	14
25	29	57	14
26	30	57	13
27	31	56	13
28	32	56	12
29	33	56	11
30	33	56	11
31	34	56	10

	Avg high (°C)	Avg low (°C)
1	26	19
2	26	19
3	26	19
4	26	19
5	26	19
6	26	19
7	25	19
8	25	19
9	25	19
10	25	19
11	25	18
12	25	18
13	25	18
14	25	18
15	25	18
16	25	18
17	25	18
18	25	18
19	25	18
20	25	18
21	25	18
22	24	18
23	24	18
24	24	18
25	24	18
26	24	18
27	24	18
28	24	18
29	24	18
30	24	18
31	24	18

	Clearer (%)	Cloudier (%)
1	61	39
2	62	38
3	64	36
4	65	35
5	65	35
6	67	33
7	68	32
8	68	32
9	68	32
10	69	31
11	69	31
12	68	32
13	68	32
14	68	32
15	68	32
16	67	33
17	66	34
18	66	34
19	65	35
20	65	35
21	65	35
22	65	35
23	65	35
24	64	36
25	64	36
26	64	36
27	65	35
28	66	34
29	66	34
30	67	33
31	67	33

	Rain chance (%)
1	4
2	4
3	4
4	4
5	4
6	3
7	3
8	3
9	3
10	3
11	3
12	3
13	3
14	3
15	3
16	3
17	3
18	3
19	3
20	3
21	3
22	3
23	3
24	2
25	2
26	2
27	2
28	2
29	2
30	2
31	2

	Comfortable (%)	Humid (%)	Muggy (%)
1	1	69	30
2	1	70	29
3	1	71	28
4	2	71	27
5	2	72	26
6	3	71	26
7	3	72	25
8	4	72	24
9	5	72	23
10	6	71	23
11	7	71	22
12	8	70	22
13	10	69	21
14	11	68	21
15	13	67	20
16	14	66	20
17	16	65	19
18	18	64	18
19	20	62	18
20	21	62	17
21	23	61	16
22	25	59	16
23	26	59	15
24	27	59	14
25	29	57	14
26	30	57	13
27	31	56	13
28	32	56	12
29	33	56	11
30	33	56	11
31	34	56	10