Mollendo weather in May

In May, Mollendo sees average daytime highs of 21°C and overnight lows near 15°C, with 11 mm of rain across 3.3 wet days and about 11.2 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 20°C by the end. The sky is clear or mostly clear about 7% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 11 h 24 min at the start of May to 11 h 06 min by month's end. Set against the rest of the year, May is Mollendo's 4th-clearest and 7th-windiest month. For the whole year in context, see Mollendo's year-round climate.

Daytime high: 21°; 7th warmest
Overnight low: 15°; 6th coldest
Rainfall: 11 mm; 3.3 wet days
Daylight: 11 h 12 min; 6:08 AM – 5:20 PM
Cloud cover: 83%; 4th clearest
Wind: 10 km/h; 7th windiest
Solar energy: 4.55 kWh/m²
Travel score: 6.8; out of 10

Mollendo is city of Peru.

Founded: 1871

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

← April Mollendo 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 21°C in the first days to 20°C by the end.

A typical May day in Mollendo reaches about 21°C in the afternoon and slips back to 15°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 22°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)	22	22	22	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	20	20	20	20	20	20	20	20	20	20	20	20	20
Avg low (°C)	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	15	15	15	15	15	15	15	15	15	15	15	15	15	15	14	14

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

Mollendo weather by month

How May compares with the rest of the year at a glance. May is the 7th-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	24° / 19°	22	7.5	12.9	6.7
Feb	24° / 19°	20	6.7	12.6	6.7
Mar	24° / 19°	12	3.9	12.1	7.2
Apr	22° / 17°	8	2.3	11.6	7.3
May	21° / 15°	11	3.3	11.2	6.8
Jun	18° / 14°	19	6.9	11	5.8
Jul	17° / 13°	21	7.6	11.1	5.3
Aug	17° / 13°	14	4.9	11.4	5.7
Sep	18° / 13°	9	2.7	11.9	6.5
Oct	20° / 14°	7	1.2	12.4	6.9
Nov	21° / 16°	8	1.9	12.8	7.0
Dec	22° / 17°	14	4.4	13	6.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 9% of May, with mostly cloudy or overcast conditions the remaining 84%.

	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 (%)	20	19	19	20	20	20	20	18	18	18	18	17	17	17	17	17	16	16	16	16	16	15	14	14	14	14	13	12	12	11	11
Cloudier (%)	80	81	81	80	80	80	80	82	82	82	82	83	83	83	83	83	84	84	84	84	84	85	86	86	86	86	87	88	88	89	89

	Clearer (%)	Cloudier (%)
1	20	80
2	19	81
3	19	81
4	20	80
5	20	80
6	20	80
7	20	80
8	18	82
9	18	82
10	18	82
11	18	82
12	17	83
13	17	83
14	17	83
15	17	83
16	17	83
17	16	84
18	16	84
19	16	84
20	16	84
21	16	84
22	15	85
23	14	86
24	14	86
25	14	86
26	14	86
27	13	87
28	12	88
29	12	88
30	11	89
31	11	89

Chance of precipitation in May

Any precipitation

Mollendo gets around 11 mm of rain over 3.3 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 11% and peaks near 16% on the wettest days. The odds climb toward the end of the month.

	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 (%)	6	7	7	7	8	8	8	9	9	9	10	10	11	11	11	11	12	12	12	12	12	12	13	13	13	14	14	15	15	16	16

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

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 69% of days. It rarely turns muggy — the humid and sticky bands barely register.

	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
Dry (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	2	2	2	2	3	3	3	3
Comfortable (%)	47	48	50	52	54	55	57	59	60	62	63	65	66	68	69	71	73	73	75	76	78	79	80	81	82	83	84	84	85	85	86
Humid (%)	53	52	50	48	46	45	43	41	40	38	37	35	34	32	31	29	27	26	24	23	21	20	19	17	16	15	14	13	12	12	11

	Dry (%)	Comfortable (%)	Humid (%)
1	0	47	53
2	0	48	52
3	0	50	50
4	0	52	48
5	0	54	46
6	0	55	45
7	0	57	43
8	0	59	41
9	0	60	40
10	0	62	38
11	0	63	37
12	0	65	35
13	0	66	34
14	0	68	32
15	0	69	31
16	0	71	29
17	0	73	27
18	1	73	26
19	1	75	24
20	1	76	23
21	1	78	21
22	1	79	20
23	1	80	19
24	2	81	17
25	2	82	16
26	2	83	15
27	2	84	14
28	3	84	13
29	3	85	12
30	3	85	12
31	3	86	11

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 10 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)	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	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	10	calm
2	10	calm
3	10	calm
4	10	calm
5	10	calm
6	10	calm
7	10	calm
8	10	calm
9	10	calm
10	10	calm
11	10	calm
12	10	calm
13	10	calm
14	10	calm
15	10	calm
16	10	calm
17	10	calm
18	10	calm
19	10	calm
20	10	calm
21	10	calm
22	10	calm
23	10	calm
24	10	calm
25	10	calm
26	10	calm
27	10	calm
28	10	calm
29	10	calm
30	10	calm
31	10	calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 24 min at the start of May to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over May. Sunrise moves from 6:03 AM to 6:13 AM, and sunset from 5:27 PM to 5:17 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)	11.4	11.4	11.4	11.4	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.1	11.1	11.1	11.1	11.1	11.1	11.1	11.1	11.1	11.1
Sunrise (AM)	6:03	6:04	6:04	6:04	6:05	6:05	6:05	6:05	6:06	6:06	6:06	6:07	6:07	6:07	6:08	6:08	6:08	6:09	6:09	6:10	6:10	6:10	6:11	6:11	6:11	6:12	6:12	6:12	6:13	6:13	6:13
Sunset (PM)	5:27	5:27	5:26	5:25	5:25	5:25	5:24	5:24	5:23	5:23	5:22	5:22	5:22	5:21	5:21	5:20	5:20	5:20	5:20	5:19	5:19	5:19	5:19	5:18	5:18	5:18	5:18	5:18	5:18	5:18	5:17

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.4	6:03	5:27
2	11.4	6:04	5:27
3	11.4	6:04	5:26
4	11.4	6:04	5:25
5	11.3	6:05	5:25
6	11.3	6:05	5:25
7	11.3	6:05	5:24
8	11.3	6:05	5:24
9	11.3	6:06	5:23
10	11.3	6:06	5:23
11	11.3	6:06	5:22
12	11.3	6:07	5:22
13	11.2	6:07	5:22
14	11.2	6:07	5:21
15	11.2	6:08	5:21
16	11.2	6:08	5:20
17	11.2	6:08	5:20
18	11.2	6:09	5:20
19	11.2	6:09	5:20
20	11.2	6:10	5:19
21	11.2	6:10	5:19
22	11.1	6:10	5:19
23	11.1	6:11	5:19
24	11.1	6:11	5:18
25	11.1	6:11	5:18
26	11.1	6:12	5:18
27	11.1	6:12	5:18
28	11.1	6:12	5:18
29	11.1	6:13	5:18
30	11.1	6:13	5:18
31	11.1	6:13	5:17

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.55 kWh/m².

For context, solar energy here swings from a low near 3.83 kWh/m² to a high of 6.77 kWh/m² in December across the year — May's 4.55 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)	5.0	5.0	5.0	4.9	4.9	4.9	4.8	4.8	4.8	4.7	4.7	4.7	4.6	4.6	4.6	4.5	4.5	4.5	4.5	4.4	4.4	4.4	4.3	4.3	4.3	4.3	4.2	4.2	4.2	4.1	4.1
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	5.0	Bright
2	5.0	Bright
3	5.0	Bright
4	4.9	Bright
5	4.9	Bright
6	4.9	Bright
7	4.8	Bright
8	4.8	Bright
9	4.8	Bright
10	4.7	Bright
11	4.7	Bright
12	4.7	Bright
13	4.6	Bright
14	4.6	Bright
15	4.6	Bright
16	4.5	Bright
17	4.5	Bright
18	4.5	Bright
19	4.5	Bright
20	4.4	Bright
21	4.4	Bright
22	4.4	Bright
23	4.3	Bright
24	4.3	Bright
25	4.3	Bright
26	4.3	Bright
27	4.2	Bright
28	4.2	Bright
29	4.2	Bright
30	4.1	Bright
31	4.1	Bright

Planning a trip in May

Is May a good time to visit Mollendo?

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

6.8

Sightseeing

5th-best month of the year

4.0

Beach & pool

7th-best month of the year

May is a reasonable time to visit Mollendo for sightseeing.

What to pack for Mollendo in May

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

In May, Mollendo sees daytime highs around 21°C and nights near 15°C. Worth packing: sun protection. About 3 days see rain.

sun protection

Sea temperature near Mollendo in May

The nearest coast averages about 20°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 16 km away) is warmest in February at about 23°C and coldest in August near 17°C.

It's comfortable for a long swim from Nov 29 to May 6 — about 5.2 months when the water holds above 20°C.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	22	23	22	21	20	19	18	17	17	18	20	21
Comfort	Refreshing	Refreshing	Refreshing	Refreshing	Cool	Cool	Cool	Cool	Cool	Cool	Cool	Refreshing

	Sea temperature (°C)	Comfort
Jan	22	Refreshing
Feb	23	Refreshing
Mar	22	Refreshing
Apr	21	Refreshing
May	20	Cool
Jun	19	Cool
Jul	18	Cool
Aug	17	Cool
Sep	17	Cool
Oct	18	Cool
Nov	20	Cool
Dec	21	Refreshing

UV index in Mollendo in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mollendo peaks around February 9 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 7 (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	15	12	11	9	7	7	9	11	13	13	14
Level	Extreme	Extreme	Extreme	Extreme	Very high	Very high	High	Very high	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	15	Extreme
Feb	15	Extreme
Mar	12	Extreme
Apr	11	Extreme
May	9	Very high
Jun	7	Very high
Jul	7	High
Aug	9	Very high
Sep	11	Extreme
Oct	13	Extreme
Nov	13	Extreme
Dec	14	Extreme

Location & terrain

Where is Mollendo?

Mollendo sits at 17.0°S, 72.0°W, 70 m above sea level, in Peru. The nearest listed city is El Pedregal, 76 km away.

Topography around Mollendo

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

Within 3 km, the terrain around Mollendo has significant variations in elevation — a maximum elevation change of 407 m around an average of 82 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,294 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,397 m.

The land around Mollendo is covered by bare terrain (45%) and water (36%) within 3 km, water (44%) and bare terrain (43%) within 16 km, and bare terrain (59%) and water (36%) within 80 km.

3 km

407 m

bare terrain 45%

16 km

1,294 m

water 44%

80 km

3,397 m

bare terrain 59%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

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

May weather nearby: El Pedregal 76 km · Jacobo Hunter 81 km · Ciudad Satelite 84 km · Arequipa 86 km · Camaná 86 km · Selva Alegre 89 km · Cono Norte 90 km · Ilo 98 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 Mollendo (-17.0231°, -72.0147°, elevation 70 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	22	16
2	22	16
3	22	16
4	21	16
5	21	16
6	21	16
7	21	16
8	21	16
9	21	16
10	21	16
11	21	16
12	21	16
13	21	16
14	21	16
15	21	16
16	21	15
17	21	15
18	21	15
19	20	15
20	20	15
21	20	15
22	20	15
23	20	15
24	20	15
25	20	15
26	20	15
27	20	15
28	20	15
29	20	15
30	20	14
31	20	14

	Clearer (%)	Cloudier (%)
1	20	80
2	19	81
3	19	81
4	20	80
5	20	80
6	20	80
7	20	80
8	18	82
9	18	82
10	18	82
11	18	82
12	17	83
13	17	83
14	17	83
15	17	83
16	17	83
17	16	84
18	16	84
19	16	84
20	16	84
21	16	84
22	15	85
23	14	86
24	14	86
25	14	86
26	14	86
27	13	87
28	12	88
29	12	88
30	11	89
31	11	89

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

	Dry (%)	Comfortable (%)	Humid (%)
1	0	47	53
2	0	48	52
3	0	50	50
4	0	52	48
5	0	54	46
6	0	55	45
7	0	57	43
8	0	59	41
9	0	60	40
10	0	62	38
11	0	63	37
12	0	65	35
13	0	66	34
14	0	68	32
15	0	69	31
16	0	71	29
17	0	73	27
18	1	73	26
19	1	75	24
20	1	76	23
21	1	78	21
22	1	79	20
23	1	80	19
24	2	81	17
25	2	82	16
26	2	83	15
27	2	84	14
28	3	84	13
29	3	85	12
30	3	85	12
31	3	86	11

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

	Clearer (%)	Cloudier (%)
1	20	80
2	19	81
3	19	81
4	20	80
5	20	80
6	20	80
7	20	80
8	18	82
9	18	82
10	18	82
11	18	82
12	17	83
13	17	83
14	17	83
15	17	83
16	17	83
17	16	84
18	16	84
19	16	84
20	16	84
21	16	84
22	15	85
23	14	86
24	14	86
25	14	86
26	14	86
27	13	87
28	12	88
29	12	88
30	11	89
31	11	89

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

	Dry (%)	Comfortable (%)	Humid (%)
1	0	47	53
2	0	48	52
3	0	50	50
4	0	52	48
5	0	54	46
6	0	55	45
7	0	57	43
8	0	59	41
9	0	60	40
10	0	62	38
11	0	63	37
12	0	65	35
13	0	66	34
14	0	68	32
15	0	69	31
16	0	71	29
17	0	73	27
18	1	73	26
19	1	75	24
20	1	76	23
21	1	78	21
22	1	79	20
23	1	80	19
24	2	81	17
25	2	82	16
26	2	83	15
27	2	84	14
28	3	84	13
29	3	85	12
30	3	85	12
31	3	86	11

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

	Clearer (%)	Cloudier (%)
1	20	80
2	19	81
3	19	81
4	20	80
5	20	80
6	20	80
7	20	80
8	18	82
9	18	82
10	18	82
11	18	82
12	17	83
13	17	83
14	17	83
15	17	83
16	17	83
17	16	84
18	16	84
19	16	84
20	16	84
21	16	84
22	15	85
23	14	86
24	14	86
25	14	86
26	14	86
27	13	87
28	12	88
29	12	88
30	11	89
31	11	89

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

	Dry (%)	Comfortable (%)	Humid (%)
1	0	47	53
2	0	48	52
3	0	50	50
4	0	52	48
5	0	54	46
6	0	55	45
7	0	57	43
8	0	59	41
9	0	60	40
10	0	62	38
11	0	63	37
12	0	65	35
13	0	66	34
14	0	68	32
15	0	69	31
16	0	71	29
17	0	73	27
18	1	73	26
19	1	75	24
20	1	76	23
21	1	78	21
22	1	79	20
23	1	80	19
24	2	81	17
25	2	82	16
26	2	83	15
27	2	84	14
28	3	84	13
29	3	85	12
30	3	85	12
31	3	86	11