Best time to visit Loreto

Re-score for me — drag the dial — every chart recolours live for your heat & sea limits 27°C · sea 29°C
I'm comfortable up to 27°C feels-like
22° heat-averse 30° heat-loving

Default 27 °C is the upper edge of the Holiday Climate Index "ideal comfort" band (Scott, Rutty, Amelung & Tang, 2016). Above this, most warm-tourism travellers report measurable discomfort.

Sea feels bathtub at 29°C
26° strict 31° tolerant

Default 29 °C is the Beach Climate Index "bathtub" line (Morgan et al.) — where the sea stops being refreshing and starts feeling like a warm bath.

Saved to this browser. Changes update the strips below.
Sea temp cold <18° chilly 18–21° ideal 22–26° warm 27–28° bathtub 29–30° too warm ≥31°
Recent · 2020-2024
Interest Google Trends 2021-2025 searches, not arrivals (?)
Sea Nov 2022 – Dec 2024 (?)
Day · avg daily high (?)
Night · avg overnight low (?)
Heatwaves · days/yr ≥35°C ETCCDI TX35 (?)
6711104
Tropical nights · nights/yr ≥20°C ETCCDI TR20 — sleep killer (?)
29213031313028101
UV index · On a typical day around midday, UV is about this (?)
57910111111119864
On the sunniest 1 in 10 days, UV reaches this — and even higher
811121297
PM2.5 air quality · on a typical day (?)
555666676555
On the worst 1 in 10 days, PM2.5 reaches this — and even higher
8777889109777
January 10/10 beach 10/10 urban feels 20°C (−1°C vs 1991-2020) · HCI 98/100
Day 23° · Night 15° 41% humidity 22 km/h wind 0 rain days (8h) 232h sun sea 20°C
Thermal 9
Sky 10
Rain 10
Wind 10

Higher = better, including rain & wind (green = "doesn't hurt the score", not "lots of it").

Compare with another destination

Add as many as you like — stacked below the main strips above. Each row is just the recent-window score strip and (for beach destinations) sea-temperature strip.

Tours in Loreto

6 top-rated tours via Viator. Booking links earn this site a commission at no cost to you. Map locations are approximate (centred on Loreto).

  1. 1South Carmen and Danzante Island Adventure5.00★ (1)6hfrom $474
  2. 2Private Minivan Transfer: Loreto Airport (LTO)4.82★ (61)from $10
  3. 3Fishing Day with Local Fishermen in Loreto5.00★ (22)7hfrom $503
  4. 4Coronado Island and Snorkel Tour5.00★ (3)6hfrom $475
  5. 5Private Fishing Charter from Villa del Palmar Hotel5.00★ (2)6hfrom $625
  6. 6Fishing Trip in a Center Console5.00★ (2)8hfrom $651

Last refreshed 2026-05-25.

Similar climatesLa Gomera87% · Dubai84% · Sur83%

Other destinations with the most-alike year-round climate to Loreto (apparent temperature, rain hours, sunshine — matched within the same trip-profile). The ±N chip compares each match's typical score for the current month against Loreto's. Based on the 2020-2024 climatology, not this year's actual weather.

Month-by-month

Month Temp °C Feels °C Rain days Rain h Rain h/day Humidity Wind km/h Sun h UV Interest Score
Jan 15–23 20 0 8 41% 22 232 5 Quiet 10
Feb 15–23 20 1 7 7.0 37% 22 219 7 Quiet 10
Mar 16–25 22 1 8 8.0 36% 22 253 9 Quiet 10
Apr 19–28 25 0 1 33% 21 277 10 Quiet 10
May 21–30 29 0 0 37% 20 298 11 Quiet 9
Jun 26–33 33 0 1 40% 20 290 11 Quiet 6
Jul 29–34 36 0 2 47% 20 299 11 Moderate 4
Aug 29–34 37 3 24 8.0 50% 20 288 11 Peak 4
Sep 27–34 36 3 31 10.3 51% 20 259 9 Moderate 4
Oct 24–32 32 1 8 8.0 44% 20 255 8 Moderate 7
Nov 19–28 26 0 2 40% 21 229 6 Peak 10
Dec 16–24 22 1 9 9.0 41% 21 229 4 Busy 10

UV Index in Loreto by Month

UV index in Loreto peaks at 11 (extreme) in June, dropping to 4 (moderate) in December. March, April, May, June, July, August, September reach very high or extreme levels — apply SPF 50+, wear a hat and protective clothing, and limit direct sun between 11:00 and 17:00.

Best months in detail

January

10/10

15–23°C (feels 20°C) · 0 rain days (8h) · 232 sun hours · 41% humidity · Quiet crowd · UV 5 (moderate)

December

10/10

16–24°C (feels 22°C) · 1 rain days (9h) · 229 sun hours · 41% humidity · Busy crowd · UV 4 (moderate)

February

10/10

15–23°C (feels 20°C) · 1 rain days (7h) · 219 sun hours · 37% humidity · Quiet crowd · UV 7 (high) · sunniest 1 in 10 days reach 8 (very high)

Every month

Show the other 9 months in detail

March

10/10

16–25°C (feels 22°C) · 1 rain days (8h) · 253 sun hours · 36% humidity · Quiet crowd · UV 9 (very high)

April

10/10

19–28°C (feels 25°C) · 0 rain days (1h) · 277 sun hours · 33% humidity · Quiet crowd · UV 10 (very high) · sunniest 1 in 10 days reach 11 (extreme)

May

9/10

21–30°C (feels 29°C) · 0 rain days (0h) · 298 sun hours · 37% humidity · Quiet crowd · UV 11 (very high) · sunniest 1 in 10 days reach 12 (extreme)

June

6/10

26–33°C · 0 rain days (1h) · 290 sun hours · 40% humidity · Quiet crowd · UV 11 (extreme)

July

4/10

29–34°C (feels 36°C) · 0 rain days (2h) · 299 sun hours · 47% humidity · Moderate crowd · UV 11 (extreme)

August

4/10

29–34°C (feels 37°C) · 3 rain days (24h) · 288 sun hours · 50% humidity · Peak crowd · UV 11 (very high) · sunniest 1 in 10 days reach 12 (extreme)

September

4/10

27–34°C (feels 36°C) · 3 rain days (31h) · 259 sun hours · 51% humidity · Moderate crowd · UV 9 (very high)

October

7/10

24–32°C · 1 rain days (8h) · 255 sun hours · 44% humidity · Moderate crowd · UV 8 (high) · sunniest 1 in 10 days reach 9 (very high)

November

10/10

19–28°C (feels 26°C) · 0 rain days (2h) · 229 sun hours · 40% humidity · Peak crowd · UV 6 (moderate) · sunniest 1 in 10 days reach 7 (high)

Frequently asked questions about visiting Loreto

When is the best time to visit Loreto?

January is the highest-scoring month (10/10 on the Holiday Climate Index). Typical conditions: 15–23°C (0 rainy days). The top three months by score are January, December, February.

What is the worst time to visit Loreto?

August is the lowest-scoring month (4/10, capped by extreme heat). Typical conditions: 29–34°C (3 rainy days).

Is Loreto too hot in summer?

5 months (June, July, August, September, October) trip the heat deal-breaker in our scoring: apparent temperature crosses the comfort cap, so even with clear skies and low rain the score is held down. Plan around it if heat tolerance is low.

When are crowds lowest in Loreto?

Search-interest seasonality (Google Trends 2021-2025) is lowest in January and peaks in August. Interest tracks both in-trip visitors and lead-time planners, so treat it as a "destination is on people's minds" signal rather than literal arrivals.

Which months in Loreto have good weather but fewer tourists?

January (climate 10/10, crowd index 0) and February (climate 10/10, crowd index 26) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.

What is the UV index in Loreto by month?

UV peaks at 11 (extreme) in June and is lowest in December at 4 (moderate). Monthly peak values: Jan 5, Feb 7, Mar 9, Apr 10, May 11, Jun 11, Jul 11, Aug 11, Sep 9, Oct 8, Nov 6, Dec 4. March, April, May, June, July, August, September reach very high or extreme levels — apply SPF 50+, wear a hat and protective clothing, and limit direct sun between 11:00 and 17:00.

What is the UV index in Loreto in June?

June is the peak UV month in Loreto, with a daily-peak UV index of 11 (extreme). At this level, sunburn can occur in under 20 minutes on unprotected fair skin. Apply SPF 50+, wear protective clothing and a hat, and avoid direct midday sun (11:00–17:00).

How high can UV get in Loreto on the sunniest days?

Most days look like the monthly average, but on the sunniest ~1 in 10 days UV climbs higher than the mean suggests. May is the worst case: typical days average UV 11 (very high), but the top 10% of days reach UV 12 (extreme) — and even higher. Months where the sunniest days routinely exceed the typical reading: February, April, May, August, October, November. Plan sun protection for the worst case, not the average.