Lisbon Weather

2025 Summer

Historical data
Average Temperature
29.7 °C
High
/
18.7 °C
Low
5.7mm
Precipitation
40.7°C
Peak Temp
15.0°C
Low Temp
92
Days Count

Monthly Breakdown

Average temperatures and precipitation by month

June

30 days
28.7°C / 17.9°C
Avg High / Low
Precipitation
2.5mm

July

31 days
29.6°C / 19.1°C
Avg High / Low
Precipitation
2.8mm

August

31 days
30.6°C / 19.1°C
Avg High / Low
Precipitation
0.4mm

Temperature Trends

Daily high, low, and average

Weather Extremes

Most notable conditions during this period

Period High

40.7°C
Sunday, June 29

Coolest Day

21.5°C
Tuesday, June 3
Progress 0%
0 / 0 years
Analyzing Historical Data

Analyzing 15 years of historical data...

Analysis Period

Years: 15
Location: Lisbon
Period: 2025-06-01 to 2025-08-31

Weather Insights

Key findings from analysis for selected period

Variable with Hot Extremes

Worth noting

Average of 29.7°C but 14 very hot days (40.7°C peak).

Dry Weather

Notable

Very little rainfall (6mm total).

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Seasonal Weather Patterns

Info
Rainfall Patterns:
Wettest: July (3mm), June (3mm)
Driest: August (0mm), June (3mm)

Temperature Patterns (Monthly Averages):
Hottest months: August (30.6°C), July (29.6°C)
Coolest months: June (28.7°C), July (29.6°C)

Travel Recommendations:
Moderate visiting months: June, July (limited comfortable options).
⚠️

13 Exceptional Weather Events (showing top 3)

Info

The 3 most extreme of 13 notable days in this period:

Jun 29 Heat

Hottest day: 40.7°C

Jun 30 Heat

Hottest day: 40.7°C

Jun 28 Heat

Very hot day: 39.9°C

13 Extreme Heat Index Days

Worth noting

13 days with dangerous heat index levels (44.4°C average). Temperature 37.1°C combined with 47% humidity creates hazardous conditions.

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Moderate Humidity Levels

Notable

Average humidity of 62% represents typical moderate moisture conditions. Generally comfortable range for most activities. Humidity varied significantly (31%-83% range).

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