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Southwest Weather, Climate and Best Time to Visit
Data source：Meteostat
Update date：2025-09
Southwest year round climate
- Spring (March–May): Average 85–88°F, hot climate, rainfall gradually increases, starting with light rain in March and peaking in May. Common activities: Outdoor activities such as sightseeing and hiking. Recommended clothing: Light and breathable clothing, hat, sunscreen.
- Summer (June–August): Average 78–82°F, hot and humid climate, higher rainfall, especially in June, July, and August. Common activities: Swimming, surfing and other water activities, and relaxing in shady areas. Recommended clothing: Light and breathable clothing, shorts, sandals, and sunscreen.
- Autumn (September–November): Average 78–81°F, warm climate, September has the most rainfall, gradually decreasing afterwards. Common activities: Outdoor activities such as hiking, sightseeing, and enjoying the warm autumn weather. Recommended clothing: Light clothing, a light jacket can be prepared for the temperature difference between morning and evening.
- Winter (December–February): Average 77–83°F, warm and dry climate, almost no rainfall. Common activities: Outdoor activities, enjoying the warm sunshine. Recommended clothing: Light long-sleeved clothing, a light jacket can also be prepared.
Southwest climatological average
Annual average temperature: approx. 81.9°F / Annual rainfall: approx. 1147 mm / Summer humidity: 70%–80% / Rainiest month: September
Southwest monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
78.1°F
0
February
83.5°F
0
March
88.9°F
19.7
April
88.5°F
53
May
85.8°F
81
June
82.2°F
168.7
July
79.9°F
152.7
August
78.4°F
245.5
September
78.8°F
288.7
October
81.1°F
119.7
November
80.4°F
13.5
December
77.4°F
5
Southwest weather for the next seven days
10/9
Friday
Overcast
92°F/72.1°F
10/10
Saturday
Thundery outbreaks in nearby
91.9°F/73.1°F
10/11
Sunday
Overcast
90.1°F/70.8°F
10/12
Monday
Overcast
92°F/72.9°F
10/13
Tuesday
Overcast
92.5°F/74.2°F
10/14
Wednesday
Patchy rain nearby
91.9°F/73.9°F
10/15
Thursday
Overcast
87.6°F/74.2°F
