Skip to main content
SunnyDays

ERA5 almanac comparison — 8 years of real data

Mérida vs Turks & Caicos: weather in July

Essentially a tie in July: Mérida is 20% clear historically, Turks & Caicos is 23% clear (8-year ERA5 average) — within the noise. Avg high 94°F vs 84°F. Mérida also sees measurably more rain than Turks & Caicos this month (41% vs 26% of days). Pick based on flight time or price, not weather — the weather won't decide this one for you.

What you are reading: 8-year historical averages, not a forecast. Either destination can still surprise you this specific July. For this week’s actual forecast, each destination links to its live page below.

Mérida

MX

Clear days, July
20%
Sample size
n=248 days
Avg high
94°F
Early July (1st–15th)
24%
Late July (16th–end)
17%
Rain frequency
41% of days

Turks & Caicos

TC

Clear days, July
23%
Sample size
n=248 days
Avg high
84°F
Early July (1st–15th)
31%
Late July (16th–end)
16%
Rain frequency
26% of days

Compare Mérida vs Turks & Caicos in another month

All percentages are historical averages from the ERA5 reanalysis via Open-Meteo, 8 full years (2018–2025). “Clear” means avg high ≥ 72 °F, precipitation < 1 mm, and a non-precipitation weather code. This is history, not a forecast. The live 7-day outlook for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.