Best time to visit Acatenango
Re-score for me — drag the dial — every chart on the page recolours live for your heat limit 27°C
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.
How is this scored? HCI / Steadman / CCI gate — full methodology and citations below.
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.
Similar climatesTaupo71% · Wellington71% · Fujikawaguchiko70%
Other destinations with the most-alike year-round climate to Acatenango (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 Acatenango'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 | -3–8 | 5 | 9 | 82 | 9.1 | 51% | 12 | 250 | 9 | Quiet | 6 |
| Feb | -3–9 | 6 | 8 | 71 | 8.9 | 46% | 13 | 235 | 10 | Quiet | 6 |
| Mar | -2–10 | 7 | 18 | 146 | 8.1 | 52% | 11 | 258 | 10 | Quiet | 5 |
| Apr | 0–10 | 7 | 24 | 208 | 8.7 | 61% | 10 | 241 | 10 | Quiet | 4 |
| May | 0–9 | 6 | 27 | 284 | 10.5 | 72% | 8 | 221 | 8 | Quiet | 2 |
| Jun | 0–7 | 5 | 28 | 352 | 12.6 | 80% | 8 | 182 | 8 | Quiet | 1 |
| Jul | -1–8 | 5 | 24 | 242 | 10.1 | 68% | 10 | 239 | 9 | Moderate | 3 |
| Aug | 0–8 | 5 | 26 | 275 | 10.6 | 71% | 9 | 229 | 9 | Quiet | 2 |
| Sep | 0–8 | 5 | 29 | 318 | 11.0 | 78% | 8 | 207 | 8 | Quiet | 2 |
| Oct | 0–7 | 5 | 27 | 285 | 10.6 | 77% | 9 | 216 | 8 | Quiet | 2 |
| Nov | -1–7 | 4 | 18 | 193 | 10.7 | 69% | 11 | 215 | 7 | Quiet | 3 |
| Dec | -3–7 | 4 | 10 | 87 | 8.7 | 57% | 12 | 241 | 8 | Peak | 6 |
UV Index in Acatenango by Month
UV index in Acatenango peaks at 10 (very high) in February, dropping to 7 (high) in November. January, February, March, April, May, June, July, August, September, October 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
February
6/10-3–9°C (feels 6°C) · 8 rain days (71h) · 235 sun hours · 46% humidity · Quiet crowd · UV 10 (very high) · sunniest 1 in 10 days reach 12 (extreme)
January
6/10-3–8°C (feels 5°C) · 9 rain days (82h) · 250 sun hours · 51% humidity · Quiet crowd · UV 9 (very high)
December
6/10-3–7°C (feels 4°C) · 10 rain days (87h) · 241 sun hours · 57% humidity · Peak crowd · UV 8 (high) · sunniest 1 in 10 days reach 9 (very high)
Every month
Show the other 9 months in detail
March
5/10-2–10°C (feels 7°C) · 18 rain days (146h) · 258 sun hours · 52% humidity · Quiet crowd · UV 10 (very high) · sunniest 1 in 10 days reach 12 (extreme)
April
4/100–10°C (feels 7°C) · 24 rain days (208h) · 241 sun hours · 61% humidity · Quiet crowd · UV 10 (very high) · sunniest 1 in 10 days reach 12 (extreme)
May
2/100–9°C (feels 6°C) · 27 rain days (284h) · 221 sun hours · 72% humidity · Quiet crowd · UV 8 (very high) · sunniest 1 in 10 days reach 10 (very high)
June
1/100–7°C (feels 5°C) · 28 rain days (352h) · 182 sun hours · 80% humidity · Quiet crowd · UV 8 (very high) · sunniest 1 in 10 days reach 10 (very high)
July
3/10-1–8°C (feels 5°C) · 24 rain days (242h) · 239 sun hours · 68% humidity · Moderate crowd · UV 9 (very high) · sunniest 1 in 10 days reach 11 (very high)
August
2/100–8°C (feels 5°C) · 26 rain days (275h) · 229 sun hours · 71% humidity · Quiet crowd · UV 9 (very high) · sunniest 1 in 10 days reach 11 (very high)
September
2/100–8°C (feels 5°C) · 29 rain days (318h) · 207 sun hours · 78% humidity · Quiet crowd · UV 8 (very high) · sunniest 1 in 10 days reach 10 (very high)
October
2/100–7°C (feels 5°C) · 27 rain days (285h) · 216 sun hours · 77% humidity · Quiet crowd · UV 8 (very high) · sunniest 1 in 10 days reach 10 (very high)
November
3/10-1–7°C (feels 4°C) · 18 rain days (193h) · 215 sun hours · 69% humidity · Quiet crowd · UV 7 (high) · sunniest 1 in 10 days reach 9 (very high)
Frequently asked questions about visiting Acatenango
When is the best time to visit Acatenango?
February is the highest-scoring month (6/10 on the Holiday Climate Index). Typical conditions: -3–9°C (8 rainy days). The top three months by score are February, January, December.
What is the worst time to visit Acatenango?
June is the lowest-scoring month (1/10). Typical conditions: 0–7°C (28 rainy days).
When are crowds lowest in Acatenango?
Search-interest seasonality (Google Trends 2021-2025) is lowest in January and peaks in December. 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 Acatenango have good weather but fewer tourists?
January (climate 6/10, crowd index 0) and February (climate 6/10, crowd index 0) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.
What is the UV index in Acatenango by month?
UV peaks at 10 (very high) in February and is lowest in November at 7 (high). Monthly peak values: Jan 9, Feb 10, Mar 10, Apr 10, May 8, Jun 8, Jul 9, Aug 9, Sep 8, Oct 8, Nov 7, Dec 8. January, February, March, April, May, June, July, August, September, October 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 Acatenango in February?
February is the peak UV month in Acatenango, with a daily-peak UV index of 10 (very high). 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 Acatenango 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. February is the worst case: typical days average UV 10 (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, March, April, May, June, July, August, September, October, November, December. Plan sun protection for the worst case, not the average.
Is air quality in Acatenango bad for travelers?
PM2.5 (fine-particle pollution) exceeds the WHO sensitive-group guideline (15 µg/m³) in 12 months: January, February, March, April, May, June, July, August, September, October, November, December. The worst month is May with a typical-day mean of 39 µg/m³ (hazardous); on the worst 10% of days PM2.5 reaches 57 µg/m³ (hazardous) and higher. People with asthma, heart conditions, or sensitive children may want to avoid these months or limit outdoor activity. Source: CAMS via Open-Meteo.