Rarotonga (Cook Islands) in July

In July, Rarotonga (Cook Islands) averages 22°C (71°F) during the day and 20°C (69°F) at night, with frequent rain — about 22 days of the month see precipitation (111 mm total).

Shoulder

Conditions are comfortable for sightseeing without being sweltering. Expect daily rain or showers, often in heavy bursts.

July offers comfortable temperatures in Rarotonga (Cook Islands), with some rain to plan around.

22°C
Avg high
20°C
Avg low
22
Rain days
111 mm
Rainfall

How July compares to the rest of the year in Rarotonga (Cook Islands)

10th
warmest month of the 12
7th
wettest month of the 12
6%
of yearly rainfall falls in July
10 h 57 min
daylight on the 15th

July is one of the coolest months in Rarotonga (Cook Islands) (10th of 12) and moderately rainy compared to the rest of the year (7th of 12). Daytime temperature runs 1°C below the annual average (23°C). July runs 1°C cooler than June (22°C) and stays flat into August.

July sunrise & sunset in Rarotonga (Cook Islands)

🌅
Sunrise (15th)
7:16 AM
🌇
Sunset (15th)
6:13 PM
Day length
10 h 57 min

Times shown for Rarotonga (Cook Islands) local time (Pacific/Rarotonga), calculated for the 15th of July. They shift by a few minutes day to day across the month.

Photography light in Rarotonga (Cook Islands) — July

Golden-hour and blue-hour windows for the 15th of July, in Rarotonga (Cook Islands)'s local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
6:16 AM – 6:56 AM
🌄 Golden hour (AM)
6:56 AM – 7:56 AM
🌇 Golden hour (PM)
5:33 PM – 6:33 PM
🌆 Blue hour (PM)
6:33 PM – 7:13 PM
Milky Way galactic core
Good
Galactic core is up but lower on the horizon; head well outside city limits for a clean view.

📅 When to book — Rarotonga (Cook Islands) in July

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on July's tier (Shoulder) and Rarotonga (Cook Islands)'s popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

Crowds & pricing — July in Rarotonga (Cook Islands)

Shoulder

Rarotonga (Cook Islands) is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Why this tier: comfortable tourism weather

Sun & mosquito risk — July in Rarotonga (Cook Islands)

☀️ UV Index (noon, 15th)
8.7
Very high
Limit sun exposure between 11 AM and 3 PM; SPF 30-50, reapply every 90 minutes outdoors.
🦟 Mosquito risk
●●●●○
High
Peak mosquito activity. DEET 30%+, long sleeves at dawn/dusk, sleep under nets if rural.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Sea temperature in Rarotonga (Cook Islands) — July

25°C (77°F)
warm
comfortable for extended swimming

Across the year Rarotonga (Cook Islands)'s sea swings from 24.1°C (October) to 28.3°C (March) — July sits at 25°C.

Rarotonga (Cook Islands) in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 25°C / 76°F 23°C / 74°F 237 mm 27
February 25°C / 77°F 24°C / 74°F 182 mm 24
March 25°C / 77°F 24°C / 74°F 253 mm 28
April 24°C / 76°F 23°C / 73°F 146 mm 22
May 23°C / 74°F 22°C / 72°F 163 mm 24
June 22°C / 72°F 21°C / 70°F 92 mm 23
July 22°C / 71°F 20°C / 69°F 111 mm 22
August 21°C / 70°F 20°C / 68°F 92 mm 22
September 22°C / 71°F 20°C / 69°F 73 mm 21
October 22°C / 71°F 21°C / 69°F 101 mm 22
November 23°C / 73°F 22°C / 71°F 97 mm 22
December 24°C / 75°F 22°C / 72°F 186 mm 22

Other cities with similar July weather

🌍 See the full ranked list of climate twins for Rarotonga (Cook Islands) in July →

Frequently asked questions

How hot is Rarotonga (Cook Islands) in July?

In July, Rarotonga (Cook Islands) averages a high of 22°C (71°F) and a low of 20°C (69°F) — generally mild and pleasant.

Does it rain a lot in Rarotonga (Cook Islands) in July?

July is quite rainy in Rarotonga (Cook Islands), with about 22 rainy days on average.

Is July a good time to visit Rarotonga (Cook Islands)?

July is mild and pleasant but on the rainy side. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Rarotonga (Cook Islands) in July?

Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full July packing list for Rarotonga (Cook Islands) for a complete, climate-based checklist.

Open Rarotonga (Cook Islands) on the interactive map

Check the live 10-day forecast and sunrise/sunset.