30YearWeather
St. John's, July 22
St. John's street view during July
Historical Weather Analysis

St. John's Weather on July 22 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

cloudy

29.4°C

High

26.2°C

Low

35%

Rain

🔥 Feels like 34.9°C (humidity)

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

July 22 is generally a great time to visit St. John's. While there is a slight chance of rain (35%), showers are usually brief. Expect comfortable 29°C weather. St. John's is currently in its most popular travel window, meaning vibrant crowds and premium pricing.

Currency

XCD

$ Eastern Caribbean dollar

Language

English

Driving

Left side

St. John's Weather Forecast for July 22

"Warm & Sunny. Expect average highs of 29.4°C. 35% chance of rain."

What to Wear in St. John's in July

Based on historical data for July 22, St. John's typically experiences temperatures between 26.2°C and 29.4°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 35% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for St. John's

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing
  • Umbrella

Average High

extreme-hot

29.4°C

Daytime Peak

Average Low

extreme-cold

26.2°C

Nighttime Low

Feels Like

partly-cloudy-day

34.9°C

🔥 Heat index effect

Rain Chance

rain

35%

Avg 2.1mm if it rains

Cloud Cover

cloudy

46%

Light drizzle

Pressure

pressure

1016.2 hPa

Low volatility

St. John's Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

80%Highly Predictable

Based on 10 years of data

Temperature
±0.9°CStable
Precipitation
18-80%Unpredictable

🎯 This date historically delivers consistent weather 80% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

7.3High
036811+

Protection Needed

SPF 30+ required, seek shade

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 18:00

Peak danger: 09:30 - 13:30
Time to Sunburn

Type I-II

🔴 11 min to burn

Type III-IV

🟡 17 min to burn

Type V-VI

🟢 28 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

44Poor
TemperatureHot
HumidityMuggy
WindWindy

Dew Point

24.7°C

Humid/Sticky

Heat Index

34.9°C

Feels hotter

😕 Best outdoor time:
Morning hours (before 11 AM)

Marine Conditions

Water Temp
29.3°C
🔥 Hot Soup
Avg daily surface temperature
Surf Conditions
1.02m
🌊 Fun Waves
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

⚠️ Mixed Conditions

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Antigua and Barbuda

Flight Traffic

High

100/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~23

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in St. John's

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:45

☀️ Noon

12:14

🌇 Sunset

18:44

⏱️ Daylight

12h 59m

Golden Hour
Morning05:45 - 06:15
18:14 - 18:44Evening

Wind Speed

wind

30.7 km/h

Fresh breeze

Sunshine

clear-day

11.7 hrs

Direct Sun (Cloud-free)

Humidity

humidity

76%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for St. John's

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in St. John's

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

72/100

Tourist Crowds

🔴 Very Busy

95/100

Price Level

💰💰💰 Expensive

95/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1016.2 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
37AQI
Good
PM2.5 Concentration3.3 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

High

Seismic Activity

Active seismic zone. Multiple earthquakes per year.

Total events (30y):167
In Jul (30y):7
Last in Jul:2025-07-25
💡 Earthquake risk elevated. Download a seismic alert app.
Moderate

Atlantic Hurricane Risk

Season: Jun - Nov

Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.

"According to 30YearWeather's analysis of 30 years of NASA satellite data, St. John's on July 22 averages 29.4°C with a 35% precipitation probability. Wedding/Outdoor Event Score: 74/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

St. John's Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2023
31.7°C
Coldest
2022
25.2°C
Rainiest
2025
7.3mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

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Same date (July 22) in other destinations

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📍 Is St. John's Worth Visiting on July 22?

Planning a trip to St. John's on July 22? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 29.4°C with a 35% historical precipitation risk.

✈️ Travel Logistics: Approximately 23 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 7 vaccinations are recommended for Antigua and Barbuda, including COVID-19.

🌊 Coastal Conditions: Water temperature averages 29.3°C (hot soup). Wave conditions are generally fun waves with heights around 1.02m.

📊 Historical Extremes: The hottest July 22 recorded in the last 30 years saw temperatures hit 31.7°C in 2023, while the coldest dropped to 25.2°C in 2022.

St. John's Weather FAQ