Monthly weather averages & travel planning

North America › 🇲🇽 Mexico › Guadalajara
Updated: March 2026
May is a good time to visit Guadalajara (7/10). With 12 daily sunshine hours and only 4 rain days, this month delivers genuinely reliable outdoor conditions, ranking it 3rd sunniest of the year in Guadalajara. Culture-focused travellers and those who prefer lighter crowds will find May a practical choice, with prices running lower than peak March without sacrificing all the good weather. June offers a similar profile at lower hotel rates if dates are flexible. The main practical note: Guadalajara's popular sites are busiest between 10am and 3pm regardless of season. Arriving at opening time or after 4pm makes a significant difference to the experience. Planning tips: accommodation is generally available without long lead times, and flight prices are typically lower than peak season. Flexible travellers will find the best deals by booking 2-4 weeks ahead. Mid-week arrivals consistently unlock lower hotel rates than weekend check-ins.
Planning a trip to Guadalajara in May? Days warm to 32°C on average while evenings hold at 17°C, giving you a clear sense of what to pack. The month delivers roughly 12 hours of sunshine per day and 16mm of rainfall spread across 4 wet days, so there is plenty of fair weather to work with.
32°C
90°F
Avg High
17°C
63°F
Avg Low
4 days
16 mm total
Rain Days
12h
per day avg
Sunshine
78%
Humid
Humidity
The 15°C day-to-night swing is large enough to require a deliberate layering strategy, what works at noon will be noticeably cold by 10pm. At 78% humidity, the 32°C daytime high feels 2-4°C warmer in practice: quick-dry fabrics and shade-seeking between noon and 3pm are the sensible response. UV index averages 9 this month, classed as high to very high. SPF 30+ sunscreen, a brim hat, and sunglasses are not optional between 10am and 4pm. Wind averages 16 km/h, light enough to be refreshing on warm days but noticeable in open coastal areas or elevated viewpoints. In Fahrenheit: 90°F average high, 63°F overnight low. Data sourced from Open-Meteo ERA5 climate reanalysis (1991–2020 normals).
Packing for Guadalajara in May means dressing for 32°C days and 17°C evenings. A lightweight linen or cotton shirt with loose-fit trousers or a sundress handles the 32°C daytime heat. Evenings drop 15°C to around 17°C, a notable shift that catches underprepared visitors off guard. Pack a dedicated evening layer. For footwear, breathable walking sandals work for casual exploration, but closed-toe trainers are better for uneven surfaces in the historic centre. At 78% average humidity, quick-dry synthetic or bamboo fabrics dry overnight and stay comfortable longer than cotton.
Local tip: Layers are more practical than a single heavy garment in Guadalajara. The day-to-evening temperature shift rewards packing a versatile mid-layer you can add or remove as conditions change.
May has no major festivals or public holidays in Guadalajara, which is one of its practical advantages for independent travellers. Attractions run at lower capacity than during peak event periods, queues are shorter, and accommodation is easier to find without needing to book many months in advance. Local restaurants, markets, and transport operate at a relaxed pace, making this an ideal time for visitors who prefer a more authentic, unhurried experience of everyday city life rather than large crowds drawn in by a single major headline event.
Based on 32°C average highs and 4 rainy days
In May, Guadalajara sits in the dry season corridor, as the ITCZ shifts away from the region and trade winds bring drier, more stable air. This produces reliably sunny days reaching 32°C, with lower humidity than the wet months. Overnight lows of 17°C offer a pleasant reprieve from the midday heat. Climate data: Open-Meteo ERA5 (1991–2020).
Sunshine Hours
The average number of hours per day with direct sunlight. Calculated from satellite measurements. Days with more than 7 hours of sunshine are ideal for outdoor activities. Under 3 hours means overcast conditions dominate.
UV Index
A scale from 0-11+ measuring ultraviolet radiation intensity. UV 0-2: Minimal risk. UV 3-5: Moderate, wear sunscreen. UV 6-7: High, hat and SPF 30+ essential. UV 8-10: Very High, limit midday exposure. UV 11+: Extreme, seek shade between 10am-4pm.
Rain Days
A rain day is counted when precipitation exceeds 0.1mm. This threshold captures even light drizzle. Unlike total rainfall in mm, rain days tells you how often you might need an umbrella, which is useful for planning outdoor activities.
Humidity
Relative humidity as a percentage. Below 40%: Dry, skin and throat may feel parched. 40-60%: Comfortable, ideal for most people. 60-80%: Sticky, light breathable fabrics recommended. Above 80%: Muggy, heat feels more intense; quick-dry clothing is essential.
Guadalajara in May
May ranks 3rd sunniest of the year in Guadalajara, with an average 12 daily sunshine hours. The driest months are March, April, and December. May is the hottest month (32°C avg high); January is the coolest (24°C). From here, temperatures fall 3°C into June. Compared to last month (April: 31°C high, 1 rain days), May is warmer and wetter. May is among the top three sunniest months to visit Guadalajara.
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 24°C | 10°C | 2 | 10h | View |
| February | 26°C | 12°C | 2 | 11h | View |
| March | 29°C | 14°C | 1 | 12h | View |
| April | 31°C | 16°C | 1 | 12h | View |
| May | 32°C | 17°C | 4 | 12h | View |
| June | 29°C | 18°C | 17 | 11h | View |
| July | 26°C | 17°C | 24 | 10h | View |
| August | 26°C | 17°C | 23 | 10h | View |
| September | 26°C | 16°C | 20 | 10h | View |
| October | 26°C | 15°C | 9 | 10h | View |
| November | 25°C | 13°C | 3 | 10h | View |
| December | 24°C | 11°C | 1 | 10h | View |
January
2 rain days, 10h sun
February
2 rain days, 11h sun
March
1 rain days, 12h sun
April
1 rain days, 12h sun
May
4 rain days, 12h sun
June
17 rain days, 11h sun
July
24 rain days, 10h sun
August
23 rain days, 10h sun
September
20 rain days, 10h sun
October
9 rain days, 10h sun
November
3 rain days, 10h sun
December
1 rain days, 10h sun
Data Sources for Guadalajara
Climate normals represent 30-year averages (1991-2020). Individual years may vary.