Malta

Best Time to Dive in Malta / Gozo

36.05°N 14.19°E

You come for the Um El Faroud and P29 wrecks, and the Blue Hole. That does not change through the year, so go when the weather is best: May to September.

Best time
May–Sep
Water
1627 °C
Visibility
025 m
Dived from
day boat and shore diving
Tidal range
0.10.2 m
Species logged
1

Worth knowing: 44% of days see seas over 1.5 m.

Where it is

Malta
25 kmN

111 km across · coastline from Natural Earth 10m

Diving in Malta / Gozo — monthly breakdown

Best months at this destination

A year of scuba diving conditions at a glance. Hover a month to isolate it.

Month by month conditions, water temperature, visibility and marine life
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember
ConditionsPoorPoorPoorPoorGoodExcellentExcellentExcellentExcellentModeratePoorPoor
Water temp (°C)171616161923262727252219
Visibility (m)010102051551510201525102010201020515010
Marine lifeQuietSteadySteadyQuietSteadySteadySteadyQuietQuietQuietQuietQuiet
Best timePeakPeakPeakPeakPeak
Excellent Good Moderate PoorPeak season May–Sep

Long-term averages, 2016–2025. Visibility is estimated from satellite chlorophyll-a. Water temperature is the surface mean; it is cooler at depth.

The Malta / Gozo diving season

3 seasons

May to September · Peak season

5 months
Water temperature
1927 °C
Rain
2 days a month

Diving conditionsSeas stay mostly calm. It rains less. The wind eases.

October · Shoulder season

1 month
Water temperature
2525 °C
Rain
7 days a month

Diving conditionsExpect some swell. It rains more.

November to April · Off season

6 months
Water temperature
1622 °C
Rain
8 days a month

Diving conditionsExpect some swell. It rains more. The wind is up.

  • Water temperature is satellite sea-surface temperature, so expect it cooler below the thermocline.
  • Visibility is estimated from satellite chlorophyll-a.

Malta / Gozo water temperature and weather

89 underwater observation records · 11 surveyed years of ocean data · 10 years of sea temperature

Water & weather

Malta / Gozo water temperature by month

The dashed line is the monthly average. Eight days in ten fall inside the band.

141618202224262830JanFebMarAprMayJunJulAugSepOctNovDecSea temperature (°C)

10th to 90th percentile rangemonthly mean

9
rough days a month

Seas top 1.5 m on 30% of days. Enough to cancel a day boat

7
blowy days a month

Gusts over 40 km/h, about where a day boat stays in port

5
wet days a month

1 of them bring heavy rain

Monthly sea state, wind, rain, air temperature and daylight
MonthSwellGusts over 40 km/hWet daysHeavy rainAirDaylight
January2.7 m38%9116 °C9.8 h
February3.0 m35%6115 °C10.7 h
March2.6 m35%7116 °C11.7 h
April2.5 m29%4017 °C12.9 h
May2.0 m17%2019 °C13.9 h
June1.5 m5%0023 °C14.4 h
July1.9 m10%0026 °C14.2 h
August1.6 m5%1027 °C13.4 h
September1.6 m8%5126 °C12.2 h
October1.9 m20%7324 °C11.1 h
November2.7 m28%11421 °C10.0 h
December2.9 m42%10218 °C9.6 h

Swell is the rough end of the month: nine days in ten come in under it. Sea temperature covers 10 years, waves 4.

Pick your week

48 weeks from the daily record. Darker is better, against this site's own year. Pick a month for the detail.

Conditions by week, four weeks per month
Week 1January week 1: PoorFebruary week 1: PoorMarch week 1: PoorApril week 1: PoorMay week 1: ModerateJune week 1: ExcellentJuly week 1: ExcellentAugust week 1: ExcellentSeptember week 1: ExcellentOctober week 1: ModerateNovember week 1: ModerateDecember week 1: Poor
Week 2January week 2: PoorFebruary week 2: PoorMarch week 2: PoorApril week 2: PoorMay week 2: ModerateJune week 2: ExcellentJuly week 2: ExcellentAugust week 2: ExcellentSeptember week 2: ExcellentOctober week 2: GoodNovember week 2: ModerateDecember week 2: Poor
Week 3January week 3: PoorFebruary week 3: PoorMarch week 3: PoorApril week 3: PoorMay week 3: ModerateJune week 3: ExcellentJuly week 3: ExcellentAugust week 3: ExcellentSeptember week 3: ExcellentOctober week 3: GoodNovember week 3: PoorDecember week 3: Poor
Week 4January week 4: ModerateFebruary week 4: PoorMarch week 4: PoorApril week 4: ModerateMay week 4: ExcellentJune week 4: ExcellentJuly week 4: ExcellentAugust week 4: ExcellentSeptember week 4: GoodOctober week 4: PoorNovember week 4: PoorDecember week 4: Poor
Excellent Good Moderate PoorBest week to go: first of September

September, week by week

WeekConditionsWaterSwellWindRain chance
Week 1Excellent27 °C1.4 m22 km/h10%
Week 2Excellent27 °C1.6 m23 km/h14%
Week 3Excellent27 °C1.8 m24 km/h16%
Week 4Good26 °C1.8 m26 km/h21%

10 years of daily records, averaged into weeks.

Gear & storms

What to wear

Off the coldest water of each month, not the average — that is what the suit has to cope with.

Wetsuit thickness by month
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember
SuitJanuary: 7 mmFebruary: 7 mmMarch: 7 mmApril: 7 mmMay: 5 mm +June: 5 mm +July: 5 mmAugust: 3 mmSeptember: 3 mmOctober: 5 mmNovember: 5 mm +December: 5 mm +
  • Jan–Apr7 mm semi-dry
  • May–Jun5 mm with hood and gloves
  • Jul5 mm full suit
  • Aug–Sep3 mm full suit
  • Oct5 mm full suit
  • Nov–Dec5 mm with hood and gloves

Swell through the year

The rough end of each month — nine days in ten come in under it.

JanJanuary: 2.7 metresFebFebruary: 3.0 metresMarMarch: 2.6 metresAprApril: 2.5 metresMayMay: 2.0 metresJunJune: 1.5 metresJulJuly: 1.9 metresAugAugust: 1.6 metresSepSeptember: 1.6 metresOctOctober: 1.9 metresNovNovember: 2.7 metresDecDecember: 2.9 metres

Amber is over 1.5 m.

Tides

springs 0.3 mneaps 0.0 mneapsone lunar month
Daily tidal range across one lunar month.

Tropical storms

No tropical storm has come within 250 km in 30 years of records. Swell and wind set the season, not cyclones.

  • NOAASea surface temperature, from OISST and MUR
  • ERA5Wind, waves, rain and air temperature, via Open-Meteo
  • OBISMarine species records within 60 km
  • IBTrACSTropical cyclone tracks, 1996 to 2025

Malta / Gozo marine life — what you'll see diving

89 records within 60 km

Only 89 records have been logged within 60 km. A thin record is not an empty reef.

SpeciesWhenObserved windowReliabilityEvidenceRecords
Loggerhead turtleFebLikely
4/11
82
Peak Present
Observed window
Months with records. Peak is where most of them fall.
Reliability
  • Near-guaranteed in 60% of surveyed years or more
  • Likely 30% to 60%
  • Hit-or-miss under 30%
Evidence
Years it was seen, out of the years anyone surveyed.
Records
OBIS sightings within 60 km.

These are sightings people logged, not a full survey of the reef. A species missing from a month may just mean nobody recorded one.

Diving Malta / Gozo — common questions

When is the best time to dive Malta / Gozo?
You come for the Um El Faroud and P29 wrecks, and the Blue Hole. That does not change through the year, so go when the weather is best: May to September.
When is the diving season in Malta / Gozo?
The diving season in Malta / Gozo runs May to September.
Is the diving in Malta / Gozo good for beginners?
Yes. It suits Open Water divers, so it works for a first trip after certification.
How warm is the water in Malta / Gozo?
Between 16 and 27 °C at the surface across the year, coldest in March and warmest in August. It runs cooler below the thermocline.
What wetsuit do I need in Malta / Gozo?
A 7 mm semi-dry covers the coldest water of the year. In the warmest months a 3 mm full suit is enough.
What is the visibility like in Malta / Gozo?
Roughly 0 to 25 m depending on the month. That is estimated from satellite chlorophyll-a rather than measured in the water.
What will I see diving Malta / Gozo?
The most consistently recorded species are Loggerhead turtle (likely), from 89 records within 60 km.
Does Malta / Gozo get tropical storms?
No. None has passed within 250 km in 30 years of records.
Is there current in Malta / Gozo?
The tide rises and falls 0.2 m around the full and new moon, against 0.1 m in between. How much of that becomes current depends on the shape of the channel.
When should I avoid Malta / Gozo?
November–January are the weakest months for conditions.
How do you dive Malta / Gozo?
Mostly from day boats and the shore. Trips run through the season, May–Sep.